320698948664 has 32 divisors (see below), whose sum is σ = 601937360640. Its totient is φ = 160182422400.

The previous prime is 320698948651. The next prime is 320698948679. The reversal of 320698948664 is 466849896023.

It is a self number, because there is not a number n which added to its sum of digits gives 320698948664.

It is a congruent number.

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, 37368854 + ... + 37377434.

It is an arithmetic number, because the mean of its divisors is an integer number (18810542520).

Almost surely, 2^320698948664 is an apocalyptic number.

It is an amenable number.

320698948664 is a deficient number, since it is larger than the sum of its proper divisors (281238411976).

320698948664 is a wasteful number, since it uses less digits than its factorization.

320698948664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12911 (or 12907 counting only the distinct ones).

The product of its (nonzero) digits is 107495424, while the sum is 65.

The spelling of 320698948664 in words is "three hundred twenty billion, six hundred ninety-eight million, nine hundred forty-eight thousand, six hundred sixty-four".