18104152 has 32 divisors (see below), whose sum is σ = 37195200. Its totient is φ = 8192800.

The previous prime is 18104147. The next prime is 18104153. The reversal of 18104152 is 25140181.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18104153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36627 + ... + 37117.

It is an arithmetic number, because the mean of its divisors is an integer number (1162350).

Almost surely, 2^18104152 is an apocalyptic number.

It is an amenable number.

18104152 is an abundant number, since it is smaller than the sum of its proper divisors (19091048).

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

18104152 is a wasteful number, since it uses less digits than its factorization.

18104152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 927 (or 923 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 22.

The square root of 18104152 is about 4254.8974135695. The cubic root of 18104152 is about 262.5786406861.

The spelling of 18104152 in words is "eighteen million, one hundred four thousand, one hundred fifty-two".