320221118164 has 12 divisors (see below), whose sum is σ = 573419211904. Its totient is φ = 156387057624.

The previous prime is 320221118149. The next prime is 320221118219. The reversal of 320221118164 is 461811122023.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 930875172 + ... + 930875515.

Almost surely, 2^320221118164 is an apocalyptic number.

It is an amenable number.

320221118164 is a deficient number, since it is larger than the sum of its proper divisors (253198093740).

320221118164 is a wasteful number, since it uses less digits than its factorization.

320221118164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1861750734 (or 1861750732 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 31.

The spelling of 320221118164 in words is "three hundred twenty billion, two hundred twenty-one million, one hundred eighteen thousand, one hundred sixty-four".