320796668 has 12 divisors (see below), whose sum is σ = 564640440. Its totient is φ = 159470832.

The previous prime is 320796661. The next prime is 320796683. The reversal of 320796668 is 866697023.

320796668 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320796661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 231098 + ... + 232481.

It is an arithmetic number, because the mean of its divisors is an integer number (47053370).

Almost surely, 2^320796668 is an apocalyptic number.

It is an amenable number.

320796668 is a deficient number, since it is larger than the sum of its proper divisors (243843772).

320796668 is a wasteful number, since it uses less digits than its factorization.

320796668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463756 (or 463754 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 47.

The square root of 320796668 is about 17910.7975255152. The cubic root of 320796668 is about 684.5575262419.

The spelling of 320796668 in words is "three hundred twenty million, seven hundred ninety-six thousand, six hundred sixty-eight".