18668104 has 32 divisors (see below), whose sum is σ = 43081920. Its totient is φ = 7384896.

The previous prime is 18668099. The next prime is 18668119. The reversal of 18668104 is 40186681.

It is a self number, because there is not a number n which added to its sum of digits gives 18668104.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 12094 + ... + 13549.

It is an arithmetic number, because the mean of its divisors is an integer number (1346310).

Almost surely, 2^18668104 is an apocalyptic number.

18668104 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

18668104 is an abundant number, since it is smaller than the sum of its proper divisors (24413816).

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

18668104 is a wasteful number, since it uses less digits than its factorization.

18668104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25669 (or 25665 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 18668104 is about 4320.6601347479. The cubic root of 18668104 is about 265.2772889607.

The spelling of 18668104 in words is "eighteen million, six hundred sixty-eight thousand, one hundred four".