168932317 has 2 divisors, whose sum is σ = 168932318. Its totient is φ = 168932316.

The previous prime is 168932303. The next prime is 168932333. The reversal of 168932317 is 713239861.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 121749156 + 47183161 = 11034^2 + 6869^2 .

It is a cyclic number.

It is not a de Polignac number, because 168932317 - 2¹¹ = 168930269 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 168932317.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (168932377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84466158 + 84466159.

It is an arithmetic number, because the mean of its divisors is an integer number (84466159).

Almost surely, 2^168932317 is an apocalyptic number.

It is an amenable number.

168932317 is a deficient number, since it is larger than the sum of its proper divisors (1).

168932317 is an equidigital number, since it uses as much as digits as its factorization.

168932317 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54432, while the sum is 40.

The square root of 168932317 is about 12997.3965470012. The cubic root of 168932317 is about 552.8036640046.

The spelling of 168932317 in words is "one hundred sixty-eight million, nine hundred thirty-two thousand, three hundred seventeen".