168180030352 has 20 divisors (see below), whose sum is σ = 325884770140. Its totient is φ = 84080734848.

The previous prime is 168180030323. The next prime is 168180030467. The reversal of 168180030352 is 253030081861.

It can be written as a sum of positive squares in 2 ways, for example, as 48710255616 + 119469774736 = 220704^2 + 345644^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 429327 + ... + 721582.

It is an arithmetic number, because the mean of its divisors is an integer number (16294238507).

Almost surely, 2^168180030352 is an apocalyptic number.

It is an amenable number.

168180030352 is a deficient number, since it is larger than the sum of its proper divisors (157704739788).

168180030352 is a wasteful number, since it uses less digits than its factorization.

168180030352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1160050 (or 1160044 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The spelling of 168180030352 in words is "one hundred sixty-eight billion, one hundred eighty million, thirty thousand, three hundred fifty-two".