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164296401808 = 24731117160093
BaseRepresentation
bin1001100100000011010…
…1000010001110010000
3120201002002122222021211
42121000311002032100
510142434334324213
6203250550025504
714604263242000
oct2310065021620
9521062588254
10164296401808
1163750043460
1227a12648294
13126543c9406
147d48382000
154418c6053d
hex2640d42390

164296401808 has 160 divisors (see below), whose sum is σ = 428795769600. Its totient is φ = 60245821440.

The previous prime is 164296401769. The next prime is 164296401847. The reversal of 164296401808 is 808104692461.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (164296401769) and next prime (164296401847).

It is a super-3 number, since 3×1642964018083 (a number of 35 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 946210 + ... + 1106302.

It is an arithmetic number, because the mean of its divisors is an integer number (2679973560).

Almost surely, 2164296401808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 164296401808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (214397884800).

164296401808 is an abundant number, since it is smaller than the sum of its proper divisors (264499367792).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

164296401808 is a wasteful number, since it uses less digits than its factorization.

164296401808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160150 (or 160130 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 49.

The spelling of 164296401808 in words is "one hundred sixty-four billion, two hundred ninety-six million, four hundred one thousand, eight hundred eight".

Divisors: 1 2 4 7 8 11 14 16 17 22 28 34 44 49 56 68 77 88 98 112 119 136 154 176 187 196 238 272 308 343 374 392 476 539 616 686 748 784 833 952 1078 1232 1309 1372 1496 1666 1904 2156 2618 2744 2992 3332 3773 4312 5236 5488 5831 6664 7546 8624 9163 10472 11662 13328 15092 18326 20944 23324 30184 36652 46648 60368 64141 73304 93296 128282 146608 160093 256564 320186 513128 640372 1026256 1120651 1280744 1761023 2241302 2561488 2721581 3522046 4482604 5443162 7044092 7844557 8965208 10886324 12327161 14088184 15689114 17930416 19051067 21772648 24654322 28176368 29937391 31378228 38102134 43545296 49308644 54911899 59874782 62756456 76204268 86290127 98617288 109823798 119749564 125512912 133357469 152408536 172580254 197234576 209561737 219647596 239499128 266714938 304817072 345160508 419123474 439295192 478998256 533429876 604030889 690321016 838246948 878590384 933502283 1066859752 1208061778 1380642032 1466932159 1676493896 1867004566 2133719504 2416123556 2933864318 3352987792 3734009132 4832247112 5867728636 7468018264 9664494224 10268525113 11735457272 14936036528 20537050226 23470914544 41074100452 82148200904 164296401808