18162384328 has 32 divisors (see below), whose sum is σ = 37155555360. Its totient is φ = 8254468480.

The previous prime is 18162384313. The next prime is 18162384349. The reversal of 18162384328 is 82348326181.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1089351 + ... + 1105897.

It is an arithmetic number, because the mean of its divisors is an integer number (1161111105).

Almost surely, 2^18162384328 is an apocalyptic number.

It is an amenable number.

18162384328 is an abundant number, since it is smaller than the sum of its proper divisors (18993171032).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18162384328 is a wasteful number, since it uses less digits than its factorization.

18162384328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29037 (or 29033 counting only the distinct ones).

The product of its digits is 442368, while the sum is 46.

The spelling of 18162384328 in words is "eighteen billion, one hundred sixty-two million, three hundred eighty-four thousand, three hundred twenty-eight".