168872816315 has 32 divisors (see below), whose sum is σ = 237467510784. Its totient is φ = 112882896000.

The previous prime is 168872816279. The next prime is 168872816347. The reversal of 168872816315 is 513618278861.

It is not a de Polignac number, because 168872816315 - 2¹⁶ = 168872750779 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 208397 + ... + 617393.

It is an arithmetic number, because the mean of its divisors is an integer number (7420859712).

Almost surely, 2^168872816315 is an apocalyptic number.

168872816315 is a deficient number, since it is larger than the sum of its proper divisors (68594694469).

168872816315 is a wasteful number, since it uses less digits than its factorization.

168872816315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409307.

The product of its digits is 3870720, while the sum is 56.

The spelling of 168872816315 in words is "one hundred sixty-eight billion, eight hundred seventy-two million, eight hundred sixteen thousand, three hundred fifteen".