320056660425516 has 24 divisors (see below), whose sum is σ = 853484427801600. Its totient is φ = 91444760121552.

The previous prime is 320056660425487. The next prime is 320056660425527. The reversal of 320056660425516 is 615524066650023.

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, 1905099169116 + ... + 1905099169283.

It is an arithmetic number, because the mean of its divisors is an integer number (35561851158400).

Almost surely, 2^{320056660425516} is an apocalyptic number.

It is an amenable number.

320056660425516 is an abundant number, since it is smaller than the sum of its proper divisors (533427767376084).

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

320056660425516 is a wasteful number, since it uses less digits than its factorization.

320056660425516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3810198338413 (or 3810198338411 counting only the distinct ones).

The product of its (nonzero) digits is 7776000, while the sum is 51.

The spelling of 320056660425516 in words is "three hundred twenty trillion, fifty-six billion, six hundred sixty million, four hundred twenty-five thousand, five hundred sixteen".