168151318015275 has 72 divisors (see below), whose sum is σ = 362319030494720. Its totient is φ = 72823427939520.

The previous prime is 168151318015229. The next prime is 168151318015297. The reversal of 168151318015275 is 572510813151861.

168151318015275 is a `hidden beast` number, since 1 + 6 + 8 + 1 + 5 + 1 + 31 + 80 + 1 + 527 + 5 = 666.

It is not a de Polignac number, because 168151318015275 - 2²⁹ = 168150781144363 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2809515907 + ... + 2809575756.

Almost surely, 2^{168151318015275} is an apocalyptic number.

168151318015275 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

168151318015275 is an abundant number, since it is smaller than the sum of its proper divisors (194167712479445).

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

168151318015275 is a wasteful number, since it uses less digits than its factorization.

168151318015275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5619091705 (or 5619091697 counting only the distinct ones).

The product of its (nonzero) digits is 2016000, while the sum is 54.

The spelling of 168151318015275 in words is "one hundred sixty-eight trillion, one hundred fifty-one billion, three hundred eighteen million, fifteen thousand, two hundred seventy-five".