18079664 has 20 divisors (see below), whose sum is σ = 35097456. Its totient is φ = 9022272.

The previous prime is 18079627. The next prime is 18079667. The reversal of 18079664 is 46697081.

It is not an unprimeable number, because it can be changed into a prime (18079667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12482 + ... + 13854.

Almost surely, 2^18079664 is an apocalyptic number.

It is an amenable number.

18079664 is a deficient number, since it is larger than the sum of its proper divisors (17017792).

18079664 is a wasteful number, since it uses less digits than its factorization.

18079664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2204 (or 2198 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 18079664 is about 4252.0188146338. The cubic root of 18079664 is about 262.4601977445.

The spelling of 18079664 in words is "eighteen million, seventy-nine thousand, six hundred sixty-four".