320367327820864 has 63 divisors (see below), whose sum is σ = 636616396626357. Its totient is φ = 159960358381824.

The previous prime is 320367327820853. The next prime is 320367327820907. The reversal of 320367327820864 is 468028723763023.

The square root of 320367327820864 is 17898808.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 14180044609600 + 306187283211264 = 3765640^2 + 17498208^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 159943747287 + ... + 159943749289.

Almost surely, 2^{320367327820864} is an apocalyptic number.

320367327820864 is the 17898808-th square number.

It is an amenable number.

320367327820864 is a deficient number, since it is larger than the sum of its proper divisors (316249068805493).

320367327820864 is an frugal number, since it uses more digits than its factorization.

320367327820864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6252 (or 3122 counting only the distinct ones).

The product of its (nonzero) digits is 97542144, while the sum is 61.

The spelling of 320367327820864 in words is "three hundred twenty trillion, three hundred sixty-seven billion, three hundred twenty-seven million, eight hundred twenty thousand, eight hundred sixty-four".