320933332564 has 12 divisors (see below), whose sum is σ = 604835896084. Its totient is φ = 148123076544.

The previous prime is 320933332523. The next prime is 320933332583. The reversal of 320933332564 is 465233339023.

It can be written as a sum of positive squares in 2 ways, for example, as 60200548164 + 260732784400 = 245358^2 + 510620^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 320933332564.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3085897377 + ... + 3085897480.

Almost surely, 2^320933332564 is an apocalyptic number.

It is an amenable number.

320933332564 is a deficient number, since it is larger than the sum of its proper divisors (283902563520).

320933332564 is a wasteful number, since it uses less digits than its factorization.

320933332564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6171794874 (or 6171794872 counting only the distinct ones).

The product of its (nonzero) digits is 1049760, while the sum is 43.

The spelling of 320933332564 in words is "three hundred twenty billion, nine hundred thirty-three million, three hundred thirty-two thousand, five hundred sixty-four".