18065368 has 32 divisors (see below), whose sum is σ = 34875360. Its totient is φ = 8769280.

The previous prime is 18065357. The next prime is 18065381. The reversal of 18065368 is 86356081.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 57933 + ... + 58243.

It is an arithmetic number, because the mean of its divisors is an integer number (1089855).

Almost surely, 2^18065368 is an apocalyptic number.

It is an amenable number.

18065368 is a deficient number, since it is larger than the sum of its proper divisors (16809992).

18065368 is a wasteful number, since it uses less digits than its factorization.

18065368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507 (or 503 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 18065368 is about 4250.3373983720. The cubic root of 18065368 is about 262.3910017611.

The spelling of 18065368 in words is "eighteen million, sixty-five thousand, three hundred sixty-eight".