320086808021904 has 160 divisors (see below), whose sum is σ = 1085188358261760. Its totient is φ = 78763671129600.

The previous prime is 320086808021891. The next prime is 320086808021971. The reversal of 320086808021904 is 409120808680023.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2278971187 + ... + 2279111634.

It is an arithmetic number, because the mean of its divisors is an integer number (6782427239136).

Almost surely, 2^{320086808021904} is an apocalyptic number.

It is an amenable number.

320086808021904 is an abundant number, since it is smaller than the sum of its proper divisors (765101550239856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

320086808021904 is a wasteful number, since it uses less digits than its factorization.

320086808021904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4558082869 (or 4558082863 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 51.

The spelling of 320086808021904 in words is "three hundred twenty trillion, eighty-six billion, eight hundred eight million, twenty-one thousand, nine hundred four".