18018162 has 24 divisors (see below), whose sum is σ = 39536640. Its totient is φ = 5929560.

The previous prime is 18018157. The next prime is 18018163. The reversal of 18018162 is 26181081.

It is not an unprimeable number, because it can be changed into a prime (18018163) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4914 + ... + 7757.

It is an arithmetic number, because the mean of its divisors is an integer number (1647360).

Almost surely, 2^18018162 is an apocalyptic number.

18018162 is an abundant number, since it is smaller than the sum of its proper divisors (21518478).

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

18018162 is a wasteful number, since it uses less digits than its factorization.

18018162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12758 (or 12755 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 27.

The square root of 18018162 is about 4244.7805596992. The cubic root of 18018162 is about 262.1622540605.

The spelling of 18018162 in words is "eighteen million, eighteen thousand, one hundred sixty-two".