12664102256 has 40 divisors (see below), whose sum is σ = 26514448800. Its totient is φ = 5824993536.

The previous prime is 12664102177. The next prime is 12664102261. The reversal of 12664102256 is 65220146621.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42956 + ... + 164843.

It is an arithmetic number, because the mean of its divisors is an integer number (662861220).

Almost surely, 2^12664102256 is an apocalyptic number.

12664102256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12664102256 is an abundant number, since it is smaller than the sum of its proper divisors (13850346544).

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

12664102256 is a wasteful number, since it uses less digits than its factorization.

12664102256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208113 (or 208107 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

Adding to 12664102256 its reverse (65220146621), we get a palindrome (77884248877).

The spelling of 12664102256 in words is "twelve billion, six hundred sixty-four million, one hundred two thousand, two hundred fifty-six".