31616602664 has 16 divisors (see below), whose sum is σ = 60165924000. Its totient is φ = 15572356272.

The previous prime is 31616602651. The next prime is 31616602687. The reversal of 31616602664 is 46620661613.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29492564 + ... + 29493635.

It is an arithmetic number, because the mean of its divisors is an integer number (3760370250).

Almost surely, 2^31616602664 is an apocalyptic number.

It is an amenable number.

31616602664 is a deficient number, since it is larger than the sum of its proper divisors (28549321336).

31616602664 is a wasteful number, since it uses less digits than its factorization.

31616602664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58986272 (or 58986268 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 41.

The spelling of 31616602664 in words is "thirty-one billion, six hundred sixteen million, six hundred two thousand, six hundred sixty-four".