328957829664 has 48 divisors (see below), whose sum is σ = 863710650432. Its totient is φ = 109627676928.

The previous prime is 328957829549. The next prime is 328957829687. The reversal of 328957829664 is 466928759823.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37242 + ... + 811974.

It is an arithmetic number, because the mean of its divisors is an integer number (17993971884).

Almost surely, 2^328957829664 is an apocalyptic number.

It is an amenable number.

328957829664 is an abundant number, since it is smaller than the sum of its proper divisors (534752820768).

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

328957829664 is a wasteful number, since it uses less digits than its factorization.

328957829664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 779169 (or 779161 counting only the distinct ones).

The product of its digits is 313528320, while the sum is 69.

The spelling of 328957829664 in words is "three hundred twenty-eight billion, nine hundred fifty-seven million, eight hundred twenty-nine thousand, six hundred sixty-four".