18108066 has 32 divisors (see below), whose sum is σ = 37313280. Its totient is φ = 5855616.

The previous prime is 18108049. The next prime is 18108067. The reversal of 18108066 is 66080181.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (18108067) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44070 + ... + 44478.

It is an arithmetic number, because the mean of its divisors is an integer number (1166040).

Almost surely, 2^18108066 is an apocalyptic number.

18108066 is an abundant number, since it is smaller than the sum of its proper divisors (19205214).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18108066 is a wasteful number, since it uses less digits than its factorization.

18108066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 618.

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 18108066 is about 4255.3573292968. The cubic root of 18108066 is about 262.5975619211.

The spelling of 18108066 in words is "eighteen million, one hundred eight thousand, sixty-six".