18104163 has 32 divisors (see below), whose sum is σ = 30331392. Its totient is φ = 9331200.

The previous prime is 18104159. The next prime is 18104173. The reversal of 18104163 is 36140181.

It is not a de Polignac number, because 18104163 - 2² = 18104159 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18104123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41595 + ... + 42027.

It is an arithmetic number, because the mean of its divisors is an integer number (947856).

Almost surely, 2^18104163 is an apocalyptic number.

18104163 is a deficient number, since it is larger than the sum of its proper divisors (12227229).

18104163 is a wasteful number, since it uses less digits than its factorization.

18104163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 18104163 is about 4254.8987061974. The cubic root of 18104163 is about 262.5786938666.

The spelling of 18104163 in words is "eighteen million, one hundred four thousand, one hundred sixty-three".