168874194 has 16 divisors (see below), whose sum is σ = 339822432. Its totient is φ = 55945728.

The previous prime is 168874193. The next prime is 168874213. The reversal of 168874194 is 491478861.

It is not an unprimeable number, because it can be changed into a prime (168874193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85359 + ... + 87314.

It is an arithmetic number, because the mean of its divisors is an integer number (21238902).

Almost surely, 2^168874194 is an apocalyptic number.

168874194 is an abundant number, since it is smaller than the sum of its proper divisors (170948238).

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

168874194 is a wasteful number, since it uses less digits than its factorization.

168874194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172841.

The product of its digits is 387072, while the sum is 48.

The square root of 168874194 is about 12995.1604068592. The cubic root of 168874194 is about 552.7402573622.

The spelling of 168874194 in words is "one hundred sixty-eight million, eight hundred seventy-four thousand, one hundred ninety-four".