18318060 has 72 divisors (see below), whose sum is σ = 56019600. Its totient is φ = 4844928.

The previous prime is 18318049. The next prime is 18318073. The reversal of 18318060 is 6081381.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26479 + ... + 27161.

It is an arithmetic number, because the mean of its divisors is an integer number (778050).

Almost surely, 2^18318060 is an apocalyptic number.

18318060 is a gapful number since it is divisible by the number (10) 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 18318060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28009800).

18318060 is an abundant number, since it is smaller than the sum of its proper divisors (37701540).

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

18318060 is a wasteful number, since it uses less digits than its factorization.

18318060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 847 (or 842 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 18318060 is about 4279.9602801895. The cubic root of 18318060 is about 263.6087524140.

The spelling of 18318060 in words is "eighteen million, three hundred eighteen thousand, sixty".