168270015815 has 32 divisors (see below), whose sum is σ = 222868039680. Its totient is φ = 120942201600.

The previous prime is 168270015779. The next prime is 168270015821. The reversal of 168270015815 is 518510072861.

It is not a de Polignac number, because 168270015815 - 2¹² = 168270011719 is a prime.

It is a super-2 number, since 2×168270015815² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

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, 11187350 + ... + 11202380.

It is an arithmetic number, because the mean of its divisors is an integer number (6964626240).

Almost surely, 2^168270015815 is an apocalyptic number.

168270015815 is a deficient number, since it is larger than the sum of its proper divisors (54598023865).

168270015815 is a wasteful number, since it uses less digits than its factorization.

168270015815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17423.

The product of its (nonzero) digits is 134400, while the sum is 44.

The spelling of 168270015815 in words is "one hundred sixty-eight billion, two hundred seventy million, fifteen thousand, eight hundred fifteen".