18314166 has 32 divisors (see below), whose sum is σ = 40013568. Its totient is φ = 5554080.

The previous prime is 18314159. The next prime is 18314171. The reversal of 18314166 is 66141381.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3885 + ... + 7191.

It is an arithmetic number, because the mean of its divisors is an integer number (1250424).

Almost surely, 2^18314166 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18314166, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20006784).

18314166 is an abundant number, since it is smaller than the sum of its proper divisors (21699402).

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

18314166 is a wasteful number, since it uses less digits than its factorization.

18314166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3396.

The product of its digits is 3456, while the sum is 30.

The square root of 18314166 is about 4279.5053452473. The cubic root of 18314166 is about 263.5900720293.

The spelling of 18314166 in words is "eighteen million, three hundred fourteen thousand, one hundred sixty-six".