168349144319 has 4 divisors (see below), whose sum is σ = 168349990800. Its totient is φ = 168348297840.

The previous prime is 168349144279. The next prime is 168349144351. The reversal of 168349144319 is 913441943861.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 168349144319 - 2²⁸ = 168080708863 is a prime.

It is a super-2 number, since 2×168349144319² (a number of 23 digits) 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 (168349144219) 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, 55859 + ... + 582939.

It is an arithmetic number, because the mean of its divisors is an integer number (42087497700).

Almost surely, 2^168349144319 is an apocalyptic number.

168349144319 is a deficient number, since it is larger than the sum of its proper divisors (846481).

168349144319 is an equidigital number, since it uses as much as digits as its factorization.

168349144319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 846480.

The product of its digits is 2239488, while the sum is 53.

The spelling of 168349144319 in words is "one hundred sixty-eight billion, three hundred forty-nine million, one hundred forty-four thousand, three hundred nineteen".