325151621666564 has 48 divisors (see below), whose sum is σ = 732306291634176. Its totient is φ = 122595919351200.

The previous prime is 325151621666549. The next prime is 325151621666567. The reversal of 325151621666564 is 465666126151523.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (325151621666567) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17027201474 + ... + 17027220569.

It is an arithmetic number, because the mean of its divisors is an integer number (15256381075712).

Almost surely, 2^{325151621666564} is an apocalyptic number.

It is an amenable number.

325151621666564 is an abundant number, since it is smaller than the sum of its proper divisors (407154669967612).

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

325151621666564 is a wasteful number, since it uses less digits than its factorization.

325151621666564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34054422096 (or 34054422094 counting only the distinct ones).

The product of its digits is 46656000, while the sum is 59.

The spelling of 325151621666564 in words is "three hundred twenty-five trillion, one hundred fifty-one billion, six hundred twenty-one million, six hundred sixty-six thousand, five hundred sixty-four".