18665068 has 12 divisors (see below), whose sum is σ = 34383160. Its totient is φ = 8841312.

The previous prime is 18665039. The next prime is 18665071. The reversal of 18665068 is 86056681.

It is a happy number.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 18665068.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122721 + ... + 122872.

Almost surely, 2^18665068 is an apocalyptic number.

It is an amenable number.

18665068 is a deficient number, since it is larger than the sum of its proper divisors (15718092).

18665068 is a wasteful number, since it uses less digits than its factorization.

18665068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245616 (or 245614 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 18665068 is about 4320.3087852606. The cubic root of 18665068 is about 265.2629074696.

The spelling of 18665068 in words is "eighteen million, six hundred sixty-five thousand, sixty-eight".