168364874 has 8 divisors (see below), whose sum is σ = 259373028. Its totient is φ = 81907200.

The previous prime is 168364831. The next prime is 168364877. The reversal of 168364874 is 478463861.

It is a happy number.

168364874 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 151905625 + 16459249 = 12325^2 + 4057^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (168364877) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1137527 + ... + 1137674.

Almost surely, 2^168364874 is an apocalyptic number.

168364874 is a deficient number, since it is larger than the sum of its proper divisors (91008154).

168364874 is a wasteful number, since it uses less digits than its factorization.

168364874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2275240.

The product of its digits is 774144, while the sum is 47.

The square root of 168364874 is about 12975.5490827941. The cubic root of 168364874 is about 552.1840145621.

The spelling of 168364874 in words is "one hundred sixty-eight million, three hundred sixty-four thousand, eight hundred seventy-four".