18164068 has 24 divisors (see below), whose sum is σ = 34458368. Its totient is φ = 8328096.

The previous prime is 18164053. The next prime is 18164093. The reversal of 18164068 is 86046181.

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, 7405 + ... + 9547.

Almost surely, 2^18164068 is an apocalyptic number.

It is an amenable number.

18164068 is a deficient number, since it is larger than the sum of its proper divisors (16294300).

18164068 is a wasteful number, since it uses less digits than its factorization.

18164068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2323 (or 2321 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 18164068 is about 4261.9324255553. The cubic root of 18164068 is about 262.8679912144.

The spelling of 18164068 in words is "eighteen million, one hundred sixty-four thousand, sixty-eight".