168873198 has 32 divisors (see below), whose sum is σ = 364380576. Its totient is φ = 51867648.

The previous prime is 168873167. The next prime is 168873247. The reversal of 168873198 is 891378861.

It is a self number, because there is not a number n which added to its sum of digits gives 168873198.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50886 + ... + 54102.

It is an arithmetic number, because the mean of its divisors is an integer number (11386893).

Almost surely, 2^168873198 is an apocalyptic number.

168873198 is an abundant number, since it is smaller than the sum of its proper divisors (195507378).

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

168873198 is a wasteful number, since it uses less digits than its factorization.

168873198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3908.

The product of its digits is 580608, while the sum is 51.

The square root of 168873198 is about 12995.1220848440. The cubic root of 168873198 is about 552.7391706945.

It can be divided in two parts, 168873 and 198, that added together give a triangular number (169071 = T₅₈₁).

The spelling of 168873198 in words is "one hundred sixty-eight million, eight hundred seventy-three thousand, one hundred ninety-eight".