3161930656 has 24 divisors (see below), whose sum is σ = 6227345124. Its totient is φ = 1580382720.

The previous prime is 3161930633. The next prime is 3161930671. The reversal of 3161930656 is 6560391613.

It can be written as a sum of positive squares in 2 ways, for example, as 3071376400 + 90554256 = 55420^2 + 9516^2 .

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, 77766 + ... + 111226.

Almost surely, 2^3161930656 is an apocalyptic number.

It is an amenable number.

3161930656 is a deficient number, since it is larger than the sum of its proper divisors (3065414468).

3161930656 is a wasteful number, since it uses less digits than its factorization.

3161930656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36424 (or 36416 counting only the distinct ones).

The product of its (nonzero) digits is 87480, while the sum is 40.

The square root of 3161930656 is about 56231.0470825504. The cubic root of 3161930656 is about 1467.7455773024.

The spelling of 3161930656 in words is "three billion, one hundred sixty-one million, nine hundred thirty thousand, six hundred fifty-six".