18329368996 has 27 divisors (see below), whose sum is σ = 32375300139. Its totient is φ = 9080068248.

The previous prime is 18329368973. The next prime is 18329369029. The reversal of 18329368996 is 69986392381.

The square root of 18329368996 is 135386.

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 8 ways as a sum of consecutive naturals, for example, 37637065 + ... + 37637551.

Almost surely, 2^18329368996 is an apocalyptic number.

18329368996 is the 135386-th square number.

It is an amenable number.

18329368996 is a deficient number, since it is larger than the sum of its proper divisors (14045931143).

18329368996 is an frugal number, since it uses more digits than its factorization.

18329368996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1256 (or 628 counting only the distinct ones).

The product of its digits is 30233088, while the sum is 64.

Multiplying 18329368996 by its sum of digits (64), we get a square (1173079615744 = 1083088²).

The spelling of 18329368996 in words is "eighteen billion, three hundred twenty-nine million, three hundred sixty-eight thousand, nine hundred ninety-six".