18316064 has 24 divisors (see below), whose sum is σ = 38834460. Its totient is φ = 8453376.

The previous prime is 18316063. The next prime is 18316093. The reversal of 18316064 is 46061381.

It can be written as a sum of positive squares in 2 ways, for example, as 15147664 + 3168400 = 3892^2 + 1780^2 .

It is not an unprimeable number, because it can be changed into a prime (18316061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21599 + ... + 22430.

Almost surely, 2^18316064 is an apocalyptic number.

It is an amenable number.

18316064 is an abundant number, since it is smaller than the sum of its proper divisors (20518396).

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

18316064 is a wasteful number, since it uses less digits than its factorization.

18316064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44052 (or 44044 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 18316064 is about 4279.7270941031. The cubic root of 18316064 is about 263.5991774885.

The spelling of 18316064 in words is "eighteen million, three hundred sixteen thousand, sixty-four".