18060864 has 56 divisors (see below), whose sum is σ = 48280320. Its totient is φ = 5958144.

The previous prime is 18060829. The next prime is 18060871. The reversal of 18060864 is 46806081.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20497 + ... + 21359.

Almost surely, 2^18060864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18060864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24140160).

18060864 is an abundant number, since it is smaller than the sum of its proper divisors (30219456).

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

18060864 is a wasteful number, since it uses less digits than its factorization.

18060864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 987 (or 977 counting only the distinct ones).

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

The square root of 18060864 is about 4249.8075250533. The cubic root of 18060864 is about 262.3691937858.

The spelling of 18060864 in words is "eighteen million, sixty thousand, eight hundred sixty-four".