320927668 has 48 divisors (see below), whose sum is σ = 587865600. Its totient is φ = 153208160.

The previous prime is 320927653. The next prime is 320927687. The reversal of 320927668 is 866729023.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1792803 + ... + 1792981.

It is an arithmetic number, because the mean of its divisors is an integer number (12247200).

Almost surely, 2^320927668 is an apocalyptic number.

It is an amenable number.

320927668 is a deficient number, since it is larger than the sum of its proper divisors (266937932).

320927668 is a wasteful number, since it uses less digits than its factorization.

320927668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420 (or 418 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 43.

The square root of 320927668 is about 17914.4541641659. The cubic root of 320927668 is about 684.6506951563.

The spelling of 320927668 in words is "three hundred twenty million, nine hundred twenty-seven thousand, six hundred sixty-eight".