156981853767168 has 60 divisors (see below), whose sum is σ = 453060258965028. Its totient is φ = 52327284587520.

The previous prime is 156981853767133. The next prime is 156981853767227. The reversal of 156981853767168 is 861767358189651.

156981853767168 is a `hidden beast` number, since 1 + 5 + 6 + 9 + 8 + 1 + 8 + 537 + 6 + 71 + 6 + 8 = 666.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 17033616678 + ... + 17033625893.

Almost surely, 2^{156981853767168} is an apocalyptic number.

156981853767168 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

156981853767168 is an abundant number, since it is smaller than the sum of its proper divisors (296078405197860).

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

156981853767168 is an equidigital number, since it uses as much as digits as its factorization.

156981853767168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34067242595 (or 34067242576 counting only the distinct ones).

The product of its digits is 3657830400, while the sum is 81.

The spelling of 156981853767168 in words is "one hundred fifty-six trillion, nine hundred eighty-one billion, eight hundred fifty-three million, seven hundred sixty-seven thousand, one hundred sixty-eight".