168346213 has 36 divisors (see below), whose sum is σ = 214042752. Its totient is φ = 131861520.

The previous prime is 168346181. The next prime is 168346231. The reversal of 168346213 is 312643861.

It is a happy number.

It is not a de Polignac number, because 168346213 - 2⁵ = 168346181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168346513) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 548206 + ... + 548512.

It is an arithmetic number, because the mean of its divisors is an integer number (5945632).

Almost surely, 2^168346213 is an apocalyptic number.

It is an amenable number.

168346213 is a deficient number, since it is larger than the sum of its proper divisors (45696539).

168346213 is a wasteful number, since it uses less digits than its factorization.

168346213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390 (or 364 counting only the distinct ones).

The product of its digits is 20736, while the sum is 34.

The square root of 168346213 is about 12974.8299796182. The cubic root of 168346213 is about 552.1636130647.

The spelling of 168346213 in words is "one hundred sixty-eight million, three hundred forty-six thousand, two hundred thirteen".