168150013 has 4 divisors (see below), whose sum is σ = 168394048. Its totient is φ = 167905980.

The previous prime is 168150001. The next prime is 168150041. The reversal of 168150013 is 310051861.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 168150013 - 2¹³ = 168141821 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 168150013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168150053) 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, 120981 + ... + 122362.

It is an arithmetic number, because the mean of its divisors is an integer number (42098512).

Almost surely, 2^168150013 is an apocalyptic number.

It is an amenable number.

168150013 is a deficient number, since it is larger than the sum of its proper divisors (244035).

168150013 is an equidigital number, since it uses as much as digits as its factorization.

168150013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244034.

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 168150013 is about 12967.2669826760. The cubic root of 168150013 is about 551.9490223262.

The spelling of 168150013 in words is "one hundred sixty-eight million, one hundred fifty thousand, thirteen".