18333066 has 16 divisors (see below), whose sum is σ = 36935424. Its totient is φ = 6066144.

The previous prime is 18333041. The next prime is 18333083. The reversal of 18333066 is 66033381.

It is a super-2 number, since 2×18333066² = 672202617920712, which contains 22 as substring.

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, 10330 + ... + 11973.

It is an arithmetic number, because the mean of its divisors is an integer number (2308464).

Almost surely, 2^18333066 is an apocalyptic number.

18333066 is an abundant number, since it is smaller than the sum of its proper divisors (18602358).

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

18333066 is a wasteful number, since it uses less digits than its factorization.

18333066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22445.

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 18333066 is about 4281.7129749669. The cubic root of 18333066 is about 263.6807147883.

The spelling of 18333066 in words is "eighteen million, three hundred thirty-three thousand, sixty-six".