18166482 has 24 divisors (see below), whose sum is σ = 40425996. Its totient is φ = 5891616.

The previous prime is 18166469. The next prime is 18166483. The reversal of 18166482 is 28466181.

18166482 is a `hidden beast` number, since 1 + 8 + 1 + 6 + 648 + 2 = 666.

18166482 is nontrivially palindromic in base 12.

It can be written as a sum of positive squares in 2 ways, for example, as 18071001 + 95481 = 4251^2 + 309^2 .

It is not an unprimeable number, because it can be changed into a prime (18166483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12973 + ... + 14304.

Almost surely, 2^18166482 is an apocalyptic number.

18166482 is an abundant number, since it is smaller than the sum of its proper divisors (22259514).

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

18166482 is a wasteful number, since it uses less digits than its factorization.

18166482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27322 (or 27319 counting only the distinct ones).

The product of its digits is 18432, while the sum is 36.

The square root of 18166482 is about 4262.2156210122. The cubic root of 18166482 is about 262.8796357282.

The spelling of 18166482 in words is "eighteen million, one hundred sixty-six thousand, four hundred eighty-two".