325891681904 has 40 divisors (see below), whose sum is σ = 636298857600. Its totient is φ = 161687750400.

The previous prime is 325891681891. The next prime is 325891681933. The reversal of 325891681904 is 409186198523.

It is a self number, because there is not a number n which added to its sum of digits gives 325891681904.

It is a congruent number.

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, 2293574 + ... + 2431514.

It is an arithmetic number, because the mean of its divisors is an integer number (15907471440).

Almost surely, 2^325891681904 is an apocalyptic number.

It is an amenable number.

325891681904 is a deficient number, since it is larger than the sum of its proper divisors (310407175696).

325891681904 is a wasteful number, since it uses less digits than its factorization.

325891681904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139089 (or 139083 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 56.

The spelling of 325891681904 in words is "three hundred twenty-five billion, eight hundred ninety-one million, six hundred eighty-one thousand, nine hundred four".