18336870166852 has 12 divisors (see below), whose sum is σ = 32568470893840. Its totient is φ = 9031592768616.

The previous prime is 18336870166841. The next prime is 18336870166933. The reversal of 18336870166852 is 25866107863381.

It is a hoax number, since the sum of its digits (64) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 34210578402 + ... + 34210578937.

Almost surely, 2^{18336870166852} is an apocalyptic number.

It is an amenable number.

18336870166852 is a deficient number, since it is larger than the sum of its proper divisors (14231600726988).

18336870166852 is a wasteful number, since it uses less digits than its factorization.

18336870166852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68421157410 (or 68421157408 counting only the distinct ones).

The product of its (nonzero) digits is 69672960, while the sum is 64.

The spelling of 18336870166852 in words is "eighteen trillion, three hundred thirty-six billion, eight hundred seventy million, one hundred sixty-six thousand, eight hundred fifty-two".