326432366564 has 6 divisors (see below), whose sum is σ = 571256641494. Its totient is φ = 163216183280.

The previous prime is 326432366563. The next prime is 326432366581. The reversal of 326432366564 is 465663234623.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 242662641664 + 83769724900 = 492608^2 + 289430^2 .

It is not an unprimeable number, because it can be changed into a prime (326432366563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40804045817 + ... + 40804045824.

It is an arithmetic number, because the mean of its divisors is an integer number (95209440249).

Almost surely, 2^326432366564 is an apocalyptic number.

It is an amenable number.

326432366564 is a deficient number, since it is larger than the sum of its proper divisors (244824274930).

326432366564 is a wasteful number, since it uses less digits than its factorization.

326432366564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81608091645 (or 81608091643 counting only the distinct ones).

The product of its digits is 11197440, while the sum is 50.

The spelling of 326432366564 in words is "three hundred twenty-six billion, four hundred thirty-two million, three hundred sixty-six thousand, five hundred sixty-four".