30651316664 has 32 divisors (see below), whose sum is σ = 57643410240. Its totient is φ = 15279792000.

The previous prime is 30651316651. The next prime is 30651316669. The reversal of 30651316664 is 46661315603.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30651316669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9283814 + ... + 9287114.

It is an arithmetic number, because the mean of its divisors is an integer number (1801356570).

Almost surely, 2^30651316664 is an apocalyptic number.

It is an amenable number.

30651316664 is a deficient number, since it is larger than the sum of its proper divisors (26992093576).

30651316664 is a wasteful number, since it uses less digits than its factorization.

30651316664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6431 (or 6427 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 41.

The spelling of 30651316664 in words is "thirty billion, six hundred fifty-one million, three hundred sixteen thousand, six hundred sixty-four".