168158132875 has 32 divisors (see below), whose sum is σ = 227625914880. Its totient is φ = 123524992000.

The previous prime is 168158132861. The next prime is 168158132921. The reversal of 168158132875 is 578231851861.

It is not a de Polignac number, because 168158132875 - 2¹³ = 168158124683 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, 877915 + ... + 1052164.

It is an arithmetic number, because the mean of its divisors is an integer number (7113309840).

Almost surely, 2^168158132875 is an apocalyptic number.

168158132875 is a deficient number, since it is larger than the sum of its proper divisors (59467782005).

168158132875 is a wasteful number, since it uses less digits than its factorization.

168158132875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1930152 (or 1930142 counting only the distinct ones).

The product of its digits is 3225600, while the sum is 55.

The spelling of 168158132875 in words is "one hundred sixty-eight billion, one hundred fifty-eight million, one hundred thirty-two thousand, eight hundred seventy-five".