18676608 has 64 divisors (see below), whose sum is σ = 52546320. Its totient is φ = 5857280.

The previous prime is 18676597. The next prime is 18676633. The reversal of 18676608 is 80667681.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 18676608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5098 + ... + 7958.

Almost surely, 2^18676608 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18676608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26273160).

18676608 is an abundant number, since it is smaller than the sum of its proper divisors (33869712).

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

18676608 is a wasteful number, since it uses less digits than its factorization.

18676608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2895 (or 2883 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 18676608 is about 4321.6441315777. The cubic root of 18676608 is about 265.3175639952.

The spelling of 18676608 in words is "eighteen million, six hundred seventy-six thousand, six hundred eight".