18112664 has 16 divisors (see below), whose sum is σ = 34140120. Its totient is φ = 9008640.

The previous prime is 18112663. The next prime is 18112727. The reversal of 18112664 is 46621181.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18112663) 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, 4322 + ... + 7409.

Almost surely, 2^18112664 is an apocalyptic number.

It is an amenable number.

18112664 is a deficient number, since it is larger than the sum of its proper divisors (16027456).

18112664 is a wasteful number, since it uses less digits than its factorization.

18112664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11930 (or 11926 counting only the distinct ones).

The product of its digits is 2304, while the sum is 29.

The square root of 18112664 is about 4255.8975551580. The cubic root of 18112664 is about 262.6197862973.

The spelling of 18112664 in words is "eighteen million, one hundred twelve thousand, six hundred sixty-four".