168146319 has 12 divisors (see below), whose sum is σ = 246429848. Its totient is φ = 101906640.

The previous prime is 168146311. The next prime is 168146323. The reversal of 168146319 is 913641861.

168146319 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 168146319 - 2³ = 168146311 is a prime.

It is a super-2 number, since 2×168146319² = 56546369186499522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168146311) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 231244 + ... + 231969.

Almost surely, 2^168146319 is an apocalyptic number.

168146319 is a deficient number, since it is larger than the sum of its proper divisors (78283529).

168146319 is a wasteful number, since it uses less digits than its factorization.

168146319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463238 (or 463227 counting only the distinct ones).

The product of its digits is 31104, while the sum is 39.

The square root of 168146319 is about 12967.1245463287. The cubic root of 168146319 is about 551.9449804698.

The spelling of 168146319 in words is "one hundred sixty-eight million, one hundred forty-six thousand, three hundred nineteen".