18064536 has 48 divisors (see below), whose sum is σ = 52538040. Its totient is φ = 5160960.

The previous prime is 18064517. The next prime is 18064549. The reversal of 18064536 is 63546081.

It is a junction number, because it is equal to n+sod(n) for n = 18064497 and 18064506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6505 + ... + 8856.

Almost surely, 2^18064536 is an apocalyptic number.

It is an amenable number.

18064536 is an abundant number, since it is smaller than the sum of its proper divisors (34473504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18064536 is a wasteful number, since it uses less digits than its factorization.

18064536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15384 (or 15373 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 18064536 is about 4250.2395226622. The cubic root of 18064536 is about 262.3869735626.

The spelling of 18064536 in words is "eighteen million, sixty-four thousand, five hundred thirty-six".