30937995664 has 15 divisors (see below), whose sum is σ = 59943729793. Its totient is φ = 15468646048.

The previous prime is 30937995637. The next prime is 30937995679. The reversal of 30937995664 is 46659973903.

The square root of 30937995664 is 175892.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 14908410000 + 16029585664 = 122100^2 + 126608^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 681582 + ... + 725554.

Almost surely, 2^30937995664 is an apocalyptic number.

30937995664 is the 175892-nd square number.

It is an amenable number.

30937995664 is a deficient number, since it is larger than the sum of its proper divisors (29005734129).

30937995664 is an frugal number, since it uses more digits than its factorization.

30937995664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87954 (or 43975 counting only the distinct ones).

The product of its (nonzero) digits is 33067440, while the sum is 61.

The spelling of 30937995664 in words is "thirty billion, nine hundred thirty-seven million, nine hundred ninety-five thousand, six hundred sixty-four".