30767657664 has 56 divisors (see below), whose sum is σ = 81473822320. Its totient is φ = 10247353344.

The previous prime is 30767657651. The next prime is 30767657671. The reversal of 30767657664 is 46675676703.

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, 166842 + ... + 298950.

Almost surely, 2^30767657664 is an apocalyptic number.

It is an amenable number.

30767657664 is an abundant number, since it is smaller than the sum of its proper divisors (50706164656).

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

30767657664 is a wasteful number, since it uses less digits than its factorization.

30767657664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133337 (or 133327 counting only the distinct ones).

The product of its (nonzero) digits is 26671680, while the sum is 57.

The spelling of 30767657664 in words is "thirty billion, seven hundred sixty-seven million, six hundred fifty-seven thousand, six hundred sixty-four".