325421515664 has 20 divisors (see below), whose sum is σ = 720576213504. Its totient is φ = 139466363808.

The previous prime is 325421515633. The next prime is 325421515691. The reversal of 325421515664 is 466515124523.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1452774512 + ... + 1452774735.

Almost surely, 2^325421515664 is an apocalyptic number.

It is an amenable number.

325421515664 is an abundant number, since it is smaller than the sum of its proper divisors (395154697840).

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

325421515664 is a wasteful number, since it uses less digits than its factorization.

325421515664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2905549262 (or 2905549256 counting only the distinct ones).

The product of its digits is 864000, while the sum is 44.

The spelling of 325421515664 in words is "three hundred twenty-five billion, four hundred twenty-one million, five hundred fifteen thousand, six hundred sixty-four".