18500168516852 has 12 divisors (see below), whose sum is σ = 35318503532256. Its totient is φ = 8409167507640.

The previous prime is 18500168516779. The next prime is 18500168516857. The reversal of 18500168516852 is 25861586100581.

It is a hoax number, since the sum of its digits (56) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18500168516857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 210229187648 + ... + 210229187735.

It is an arithmetic number, because the mean of its divisors is an integer number (2943208627688).

Almost surely, 2^{18500168516852} is an apocalyptic number.

It is an amenable number.

18500168516852 is a deficient number, since it is larger than the sum of its proper divisors (16818335015404).

18500168516852 is a wasteful number, since it uses less digits than its factorization.

18500168516852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420458375398 (or 420458375396 counting only the distinct ones).

The product of its (nonzero) digits is 4608000, while the sum is 56.

The spelling of 18500168516852 in words is "eighteen trillion, five hundred billion, one hundred sixty-eight million, five hundred sixteen thousand, eight hundred fifty-two".