18064506 has 64 divisors (see below), whose sum is σ = 41057280. Its totient is φ = 5268480.

The previous prime is 18064481. The next prime is 18064511. The reversal of 18064506 is 60546081.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 91600 + ... + 91796.

It is an arithmetic number, because the mean of its divisors is an integer number (641520).

Almost surely, 2^18064506 is an apocalyptic number.

18064506 is an abundant number, since it is smaller than the sum of its proper divisors (22992774).

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

18064506 is a wasteful number, since it uses less digits than its factorization.

18064506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 18064506 is about 4250.2359934479. The cubic root of 18064506 is about 262.3868283128.

The spelling of 18064506 in words is "eighteen million, sixty-four thousand, five hundred six".