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13660164 = 2234719317
BaseRepresentation
bin110100000111…
…000000000100
3221201000020000
4310013000010
511444111124
61204441300
7224052360
oct64070004
927630200
1013660164
1177900a1
1246a9230
132aa384b
141b582a0
1512ec6c9
hexd07004

13660164 has 120 divisors (see below), whose sum is σ = 43095360. Its totient is φ = 3685824.

The previous prime is 13660159. The next prime is 13660193. The reversal of 13660164 is 46106631.

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 pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 42934 + ... + 43250.

It is an arithmetic number, because the mean of its divisors is an integer number (359128).

Almost surely, 213660164 is an apocalyptic number.

13660164 is a gapful number since it is divisible by the number (14) 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 13660164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21547680).

13660164 is an abundant number, since it is smaller than the sum of its proper divisors (29435196).

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

13660164 is a wasteful number, since it uses less digits than its factorization.

13660164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359 (or 348 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 13660164 is about 3695.9659089337. The cubic root of 13660164 is about 239.0481045542.

Adding to 13660164 its reverse (46106631), we get a palindrome (59766795).

It can be divided in two parts, 13660 and 164, that added together give a cube (13824 = 243).

The spelling of 13660164 in words is "thirteen million, six hundred sixty thousand, one hundred sixty-four".

Divisors: 1 2 3 4 6 7 9 12 14 18 19 21 27 28 36 38 42 54 57 63 76 81 84 108 114 126 133 162 171 189 228 252 266 317 324 342 378 399 513 532 567 634 684 756 798 951 1026 1134 1197 1268 1539 1596 1902 2052 2219 2268 2394 2853 3078 3591 3804 4438 4788 5706 6023 6156 6657 7182 8559 8876 10773 11412 12046 13314 14364 17118 18069 19971 21546 24092 25677 26628 34236 36138 39942 42161 43092 51354 54207 59913 72276 79884 84322 102708 108414 119826 126483 162621 168644 179739 216828 239652 252966 325242 359478 379449 487863 505932 650484 718956 758898 975726 1138347 1517796 1951452 2276694 3415041 4553388 6830082 13660164