18064608 has 48 divisors (see below), whose sum is σ = 50213520. Its totient is φ = 5666816.

The previous prime is 18064603. The next prime is 18064609. The reversal of 18064608 is 80646081.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18064603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3903 + ... + 7166.

It is an arithmetic number, because the mean of its divisors is an integer number (1046115).

Almost surely, 2^18064608 is an apocalyptic number.

It is an amenable number.

18064608 is an abundant number, since it is smaller than the sum of its proper divisors (32148912).

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

18064608 is a wasteful number, since it uses less digits than its factorization.

18064608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11099 (or 11091 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 18064608 is about 4250.2479927647. The cubic root of 18064608 is about 262.3873221616.

The spelling of 18064608 in words is "eighteen million, sixty-four thousand, six hundred eight".