168317339 has 2 divisors, whose sum is σ = 168317340. Its totient is φ = 168317338.

The previous prime is 168317327. The next prime is 168317377. The reversal of 168317339 is 933713861.

It is a weak prime.

It is an emirp because it is prime and its reverse (933713861) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-168317339 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 168317296 and 168317305.

It is not a weakly prime, because it can be changed into another prime (168317389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84158669 + 84158670.

It is an arithmetic number, because the mean of its divisors is an integer number (84158670).

Almost surely, 2^168317339 is an apocalyptic number.

168317339 is a deficient number, since it is larger than the sum of its proper divisors (1).

168317339 is an equidigital number, since it uses as much as digits as its factorization.

168317339 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 81648, while the sum is 41.

The square root of 168317339 is about 12973.7172390954. The cubic root of 168317339 is about 552.1320430371.

The spelling of 168317339 in words is "one hundred sixty-eight million, three hundred seventeen thousand, three hundred thirty-nine".