168388674 has 16 divisors (see below), whose sum is σ = 348390720. Its totient is φ = 54194000.

The previous prime is 168388669. The next prime is 168388691. The reversal of 168388674 is 476883861.

168388674 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 483702 + ... + 484049.

It is an arithmetic number, because the mean of its divisors is an integer number (21774420).

Almost surely, 2^168388674 is an apocalyptic number.

168388674 is an abundant number, since it is smaller than the sum of its proper divisors (180002046).

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

168388674 is a wasteful number, since it uses less digits than its factorization.

168388674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 967785.

The product of its digits is 1548288, while the sum is 51.

The square root of 168388674 is about 12976.4661599374. The cubic root of 168388674 is about 552.2100321829.

The spelling of 168388674 in words is "one hundred sixty-eight million, three hundred eighty-eight thousand, six hundred seventy-four".