18185323060 has 96 divisors (see below), whose sum is σ = 40325548032. Its totient is φ = 6875256960.

The previous prime is 18185323033. The next prime is 18185323139. The reversal of 18185323060 is 6032358181.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18499329 + ... + 18500311.

It is an arithmetic number, because the mean of its divisors is an integer number (420057792).

Almost surely, 2^18185323060 is an apocalyptic number.

18185323060 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 18185323060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20162774016).

18185323060 is an abundant number, since it is smaller than the sum of its proper divisors (22140224972).

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

18185323060 is a wasteful number, since it uses less digits than its factorization.

18185323060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1453 (or 1451 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The spelling of 18185323060 in words is "eighteen billion, one hundred eighty-five million, three hundred twenty-three thousand, sixty".