12931598664 has 96 divisors (see below), whose sum is σ = 38055763200. Its totient is φ = 3951918720.

The previous prime is 12931598653. The next prime is 12931598671. The reversal of 12931598664 is 46689513921.

12931598664 is a `hidden beast` number, since 12 + 9 + 31 + 598 + 6 + 6 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 12931598664.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 110059 + ... + 194874.

It is an arithmetic number, because the mean of its divisors is an integer number (396414200).

Almost surely, 2^12931598664 is an apocalyptic number.

It is an amenable number.

12931598664 is an abundant number, since it is smaller than the sum of its proper divisors (25124164536).

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

12931598664 is a wasteful number, since it uses less digits than its factorization.

12931598664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304995 (or 304988 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 54.

The spelling of 12931598664 in words is "twelve billion, nine hundred thirty-one million, five hundred ninety-eight thousand, six hundred sixty-four".