18108068 has 24 divisors (see below), whose sum is σ = 34685280. Its totient is φ = 8203520.

The previous prime is 18108067. The next prime is 18108089. The reversal of 18108068 is 86080181.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (18108067) 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, 19028 + ... + 19956.

It is an arithmetic number, because the mean of its divisors is an integer number (1445220).

Almost surely, 2^18108068 is an apocalyptic number.

It is an amenable number.

18108068 is a deficient number, since it is larger than the sum of its proper divisors (16577212).

18108068 is a wasteful number, since it uses less digits than its factorization.

18108068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1387 (or 1385 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 32.

The square root of 18108068 is about 4255.3575642947. The cubic root of 18108068 is about 262.5975715889.

The spelling of 18108068 in words is "eighteen million, one hundred eight thousand, sixty-eight".