18568364 has 6 divisors (see below), whose sum is σ = 32494644. Its totient is φ = 9284180.

The previous prime is 18568357. The next prime is 18568379. The reversal of 18568364 is 46386581.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2321042 + ... + 2321049.

It is an arithmetic number, because the mean of its divisors is an integer number (5415774).

Almost surely, 2^18568364 is an apocalyptic number.

It is an amenable number.

18568364 is a deficient number, since it is larger than the sum of its proper divisors (13926280).

18568364 is a wasteful number, since it uses less digits than its factorization.

18568364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4642095 (or 4642093 counting only the distinct ones).

The product of its digits is 138240, while the sum is 41.

The square root of 18568364 is about 4309.1024587494. The cubic root of 18568364 is about 264.8040036452.

The spelling of 18568364 in words is "eighteen million, five hundred sixty-eight thousand, three hundred sixty-four".