323638107664 has 15 divisors (see below), whose sum is σ = 627053242543. Its totient is φ = 161817916048.

The previous prime is 323638107641. The next prime is 323638107707. The reversal of 323638107664 is 466701836323.

The square root of 323638107664 is 568892.

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

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 2204457 + ... + 2346679.

Almost surely, 2^323638107664 is an apocalyptic number.

323638107664 is the 568892-nd square number.

It is an amenable number.

323638107664 is a deficient number, since it is larger than the sum of its proper divisors (303415134879).

323638107664 is an frugal number, since it uses more digits than its factorization.

323638107664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284454 (or 142225 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 49.

Multiplying 323638107664 by its sum of digits (49), we get a square (15858267275536 = 3982244²).

The spelling of 323638107664 in words is "three hundred twenty-three billion, six hundred thirty-eight million, one hundred seven thousand, six hundred sixty-four".