18068768 has 24 divisors (see below), whose sum is σ = 36006768. Its totient is φ = 8924224.

The previous prime is 18068767. The next prime is 18068803. The reversal of 18068768 is 86786081.

It is not an unprimeable number, because it can be changed into a prime (18068767) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 746 + ... + 6057.

It is an arithmetic number, because the mean of its divisors is an integer number (1500282).

Almost surely, 2^18068768 is an apocalyptic number.

It is an amenable number.

18068768 is a deficient number, since it is larger than the sum of its proper divisors (17938000).

18068768 is an equidigital number, since it uses as much as digits as its factorization.

18068768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6896 (or 6888 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 44.

The square root of 18068768 is about 4250.7373478021. The cubic root of 18068768 is about 262.4074618640.

The spelling of 18068768 in words is "eighteen million, sixty-eight thousand, seven hundred sixty-eight".