18064896 has 80 divisors (see below), whose sum is σ = 50740800. Its totient is φ = 5695488.

The previous prime is 18064889. The next prime is 18064901. The reversal of 18064896 is 69846081.

It is a congruent number.

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, 28875 + ... + 29493.

It is an arithmetic number, because the mean of its divisors is an integer number (634260).

Almost surely, 2^18064896 is an apocalyptic number.

18064896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18064896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25370400).

18064896 is an abundant number, since it is smaller than the sum of its proper divisors (32675904).

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

18064896 is an equidigital number, since it uses as much as digits as its factorization.

18064896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659 (or 643 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 42.

The square root of 18064896 is about 4250.2818730056. The cubic root of 18064896 is about 262.3887165483.

The spelling of 18064896 in words is "eighteen million, sixty-four thousand, eight hundred ninety-six".