328051726564 has 27 divisors (see below), whose sum is σ = 582210914313. Its totient is φ = 161737695072.

The previous prime is 328051726553. The next prime is 328051726571. The reversal of 328051726564 is 465627150823.

The square root of 328051726564 is 572758.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 186218140900 + 141833585664 = 431530^2 + 376608^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 83620707 + ... + 83624629.

Almost surely, 2^328051726564 is an apocalyptic number.

328051726564 is the 572758-th square number.

It is an amenable number.

328051726564 is a deficient number, since it is larger than the sum of its proper divisors (254159187749).

328051726564 is an frugal number, since it uses more digits than its factorization.

328051726564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7996 (or 3998 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 49.

Multiplying 328051726564 by its sum of digits (49), we get a square (16074534601636 = 4009306²).

The spelling of 328051726564 in words is "three hundred twenty-eight billion, fifty-one million, seven hundred twenty-six thousand, five hundred sixty-four".