18333500166852 has 36 divisors (see below), whose sum is σ = 46321920545040. Its totient is φ = 5641076973792.

The previous prime is 18333500166851. The next prime is 18333500166881. The reversal of 18333500166852 is 25866100533381.

It is a super-2 number, since 2×18333500166852² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 18333500166795 and 18333500166804.

It is not an unprimeable number, because it can be changed into a prime (18333500166851) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4520091702 + ... + 4520095757.

It is an arithmetic number, because the mean of its divisors is an integer number (1286720015140).

Almost surely, 2^{18333500166852} is an apocalyptic number.

18333500166852 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18333500166852 is an abundant number, since it is smaller than the sum of its proper divisors (27988420378188).

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

18333500166852 is a wasteful number, since it uses less digits than its factorization.

18333500166852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9040187492 (or 9040187477 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 51.

The spelling of 18333500166852 in words is "eighteen trillion, three hundred thirty-three billion, five hundred million, one hundred sixty-six thousand, eight hundred fifty-two".