18233164 has 6 divisors (see below), whose sum is σ = 31908044. Its totient is φ = 9116580.

The previous prime is 18233147. The next prime is 18233203. The reversal of 18233164 is 46133281.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2279142 + ... + 2279149.

Almost surely, 2^18233164 is an apocalyptic number.

It is an amenable number.

18233164 is a deficient number, since it is larger than the sum of its proper divisors (13674880).

18233164 is a wasteful number, since it uses less digits than its factorization.

18233164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4558295 (or 4558293 counting only the distinct ones).

The product of its digits is 3456, while the sum is 28.

The square root of 18233164 is about 4270.0309132370. The cubic root of 18233164 is about 263.2008855210.

The spelling of 18233164 in words is "eighteen million, two hundred thirty-three thousand, one hundred sixty-four".