325223656564 has 48 divisors (see below), whose sum is σ = 607165977600. Its totient is φ = 151983448416.

The previous prime is 325223656543. The next prime is 325223656567. The reversal of 325223656564 is 465656322523.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (325223656567) 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, 4499599 + ... + 4571305.

It is an arithmetic number, because the mean of its divisors is an integer number (12649291200).

Almost surely, 2^325223656564 is an apocalyptic number.

It is an amenable number.

325223656564 is a deficient number, since it is larger than the sum of its proper divisors (281942321036).

325223656564 is a wasteful number, since it uses less digits than its factorization.

325223656564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72532 (or 72530 counting only the distinct ones).

The product of its digits is 7776000, while the sum is 49.

The spelling of 325223656564 in words is "three hundred twenty-five billion, two hundred twenty-three million, six hundred fifty-six thousand, five hundred sixty-four".