18360237852 has 72 divisors (see below), whose sum is σ = 53294492160. Its totient is φ = 5270879520.

The previous prime is 18360237851. The next prime is 18360237859. The reversal of 18360237852 is 25873206381.

18360237852 is a `hidden beast` number, since 1 + 8 + 3 + 602 + 37 + 8 + 5 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 18360237798 and 18360237807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18360237851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1212588 + ... + 1227635.

It is an arithmetic number, because the mean of its divisors is an integer number (740201280).

Almost surely, 2^18360237852 is an apocalyptic number.

18360237852 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18360237852 is an abundant number, since it is smaller than the sum of its proper divisors (34934254308).

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

18360237852 is a wasteful number, since it uses less digits than its factorization.

18360237852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2440263 (or 2440258 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The spelling of 18360237852 in words is "eighteen billion, three hundred sixty million, two hundred thirty-seven thousand, eight hundred fifty-two".