18666114 has 16 divisors (see below), whose sum is σ = 37467552. Its totient is φ = 6199488.

The previous prime is 18666107. The next prime is 18666121. The reversal of 18666114 is 41166681.

It is an interprime number because it is at equal distance from previous prime (18666107) and next prime (18666121).

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, 3799 + ... + 7194.

It is an arithmetic number, because the mean of its divisors is an integer number (2341722).

Almost surely, 2^18666114 is an apocalyptic number.

18666114 is an abundant number, since it is smaller than the sum of its proper divisors (18801438).

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

18666114 is a wasteful number, since it uses less digits than its factorization.

18666114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11281.

The product of its digits is 6912, while the sum is 33.

The square root of 18666114 is about 4320.4298397266. The cubic root of 18666114 is about 265.2678625336.

The spelling of 18666114 in words is "eighteen million, six hundred sixty-six thousand, one hundred fourteen".