320051360656 has 40 divisors (see below), whose sum is σ = 627252487200. Its totient is φ = 158180816640.

The previous prime is 320051360639. The next prime is 320051360663. The reversal of 320051360656 is 656063150023.

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, 5053635 + ... + 5116573.

It is an arithmetic number, because the mean of its divisors is an integer number (15681312180).

Almost surely, 2^320051360656 is an apocalyptic number.

It is an amenable number.

320051360656 is a deficient number, since it is larger than the sum of its proper divisors (307201126544).

320051360656 is a wasteful number, since it uses less digits than its factorization.

320051360656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66607 (or 66601 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 37.

The spelling of 320051360656 in words is "three hundred twenty billion, fifty-one million, three hundred sixty thousand, six hundred fifty-six".