18618104 has 32 divisors (see below), whose sum is σ = 37027200. Its totient is φ = 8760960.

The previous prime is 18618101. The next prime is 18618133. The reversal of 18618104 is 40181681.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18618101) 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, 8162 + ... + 10190.

It is an arithmetic number, because the mean of its divisors is an integer number (1157100).

Almost surely, 2^18618104 is an apocalyptic number.

It is an amenable number.

18618104 is a deficient number, since it is larger than the sum of its proper divisors (18409096).

18618104 is a wasteful number, since it uses less digits than its factorization.

18618104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2103 (or 2099 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 29.

The square root of 18618104 is about 4314.8701023322. The cubic root of 18618104 is about 265.0402407147.

Adding to 18618104 its reverse (40181681), we get a palindrome (58799785).

The spelling of 18618104 in words is "eighteen million, six hundred eighteen thousand, one hundred four".