18108364 has 12 divisors (see below), whose sum is σ = 31918600. Its totient is φ = 8988768.

The previous prime is 18108353. The next prime is 18108367. The reversal of 18108364 is 46380181.

It is not an unprimeable number, because it can be changed into a prime (18108367) 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, 15729 + ... + 16840.

Almost surely, 2^18108364 is an apocalyptic number.

It is an amenable number.

18108364 is a deficient number, since it is larger than the sum of its proper divisors (13810236).

18108364 is a wasteful number, since it uses less digits than its factorization.

18108364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32712 (or 32710 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 18108364 is about 4255.3923438386. The cubic root of 18108364 is about 262.5990024145.

The spelling of 18108364 in words is "eighteen million, one hundred eight thousand, three hundred sixty-four".