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164108160 = 273359497
BaseRepresentation
bin10011100100000…
…01011110000000
3102102210120002000
421302001132000
5314002430120
624141224000
74031616306
oct1162013600
9372716060
10164108160
11846a8987
1246b62000
1327ccb628
1417b1c276
15e619990
hex9c81780

164108160 has 128 divisors (see below), whose sum is σ = 581277600. Its totient is φ = 43757568.

The previous prime is 164108099. The next prime is 164108171. The reversal of 164108160 is 61801461.

164108160 is a `hidden beast` number, since 1 + 641 + 0 + 8 + 16 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12532 + ... + 22028.

Almost surely, 2164108160 is an apocalyptic number.

164108160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 164108160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (290638800).

164108160 is an abundant number, since it is smaller than the sum of its proper divisors (417169440).

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

164108160 is an equidigital number, since it uses as much as digits as its factorization.

164108160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9525 (or 9507 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 164108160 is about 12810.4707173468. The cubic root of 164108160 is about 547.4906735135.

The spelling of 164108160 in words is "one hundred sixty-four million, one hundred eight thousand, one hundred sixty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 54 60 64 72 80 90 96 108 120 128 135 144 160 180 192 216 240 270 288 320 360 384 432 480 540 576 640 720 864 960 1080 1152 1440 1728 1920 2160 2880 3456 4320 5760 8640 9497 17280 18994 28491 37988 47485 56982 75976 85473 94970 113964 142455 151952 170946 189940 227928 256419 284910 303904 341892 379880 427365 455856 512838 569820 607808 683784 759760 854730 911712 1025676 1139640 1215616 1282095 1367568 1519520 1709460 1823424 2051352 2279280 2564190 2735136 3039040 3418920 3646848 4102704 4558560 5128380 5470272 6078080 6837840 8205408 9117120 10256760 10940544 13675680 16410816 18234240 20513520 27351360 32821632 41027040 54702720 82054080 164108160