18276668 has 12 divisors (see below), whose sum is σ = 32848872. Its totient is φ = 8891280.

The previous prime is 18276653. The next prime is 18276673. The reversal of 18276668 is 86667281.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61598 + ... + 61893.

It is an arithmetic number, because the mean of its divisors is an integer number (2737406).

Almost surely, 2^18276668 is an apocalyptic number.

It is an amenable number.

18276668 is a deficient number, since it is larger than the sum of its proper divisors (14572204).

18276668 is a wasteful number, since it uses less digits than its factorization.

18276668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123532 (or 123530 counting only the distinct ones).

The product of its digits is 193536, while the sum is 44.

The square root of 18276668 is about 4275.1219865637. The cubic root of 18276668 is about 263.4100501079.

The spelling of 18276668 in words is "eighteen million, two hundred seventy-six thousand, six hundred sixty-eight".