18166052 has 12 divisors (see below), whose sum is σ = 33463920. Its totient is φ = 8604936.

The previous prime is 18166051. The next prime is 18166061. The reversal of 18166052 is 25066181.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (18166051) 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, 119438 + ... + 119589.

It is an arithmetic number, because the mean of its divisors is an integer number (2788660).

Almost surely, 2^18166052 is an apocalyptic number.

It is an amenable number.

18166052 is a deficient number, since it is larger than the sum of its proper divisors (15297868).

18166052 is a wasteful number, since it uses less digits than its factorization.

18166052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239050 (or 239048 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 18166052 is about 4262.1651774656. The cubic root of 18166052 is about 262.8775615946.

The spelling of 18166052 in words is "eighteen million, one hundred sixty-six thousand, fifty-two".