18166096 has 20 divisors (see below), whose sum is σ = 37904692. Its totient is φ = 8384256.

The previous prime is 18166069. The next prime is 18166097. The reversal of 18166096 is 69066181.

It can be written as a sum of positive squares in 2 ways, for example, as 3111696 + 15054400 = 1764^2 + 3880^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18166097) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43461 + ... + 43876.

Almost surely, 2^18166096 is an apocalyptic number.

18166096 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

18166096 is an abundant number, since it is smaller than the sum of its proper divisors (19738596).

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

18166096 is a wasteful number, since it uses less digits than its factorization.

18166096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87358 (or 87352 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 18166096 is about 4262.1703391582. The cubic root of 18166096 is about 262.8777738330.

The spelling of 18166096 in words is "eighteen million, one hundred sixty-six thousand, ninety-six".