168274913 has 8 divisors (see below), whose sum is σ = 174326016. Its totient is φ = 162262800.

The previous prime is 168274861. The next prime is 168274919. The reversal of 168274913 is 319472861.

168274913 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 168274913 - 2²⁶ = 101166049 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (168274919) 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, 818 + ... + 18363.

It is an arithmetic number, because the mean of its divisors is an integer number (21790752).

Almost surely, 2^168274913 is an apocalyptic number.

It is an amenable number.

168274913 is a deficient number, since it is larger than the sum of its proper divisors (6051103).

168274913 is a wasteful number, since it uses less digits than its factorization.

168274913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19495.

The product of its digits is 72576, while the sum is 41.

The square root of 168274913 is about 12972.0820611034. The cubic root of 168274913 is about 552.0856490795.

The spelling of 168274913 in words is "one hundred sixty-eight million, two hundred seventy-four thousand, nine hundred thirteen".