168085319 has 2 divisors, whose sum is σ = 168085320. Its totient is φ = 168085318.

The previous prime is 168085289. The next prime is 168085327. The reversal of 168085319 is 913580861.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 168085319 - 2⁸ = 168085063 is a prime.

It is a super-4 number, since 4×168085319⁴ (a number of 34 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (168085369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84042659 + 84042660.

It is an arithmetic number, because the mean of its divisors is an integer number (84042660).

Almost surely, 2^168085319 is an apocalyptic number.

168085319 is a deficient number, since it is larger than the sum of its proper divisors (1).

168085319 is an equidigital number, since it uses as much as digits as its factorization.

168085319 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 41.

The square root of 168085319 is about 12964.7722309341. The cubic root of 168085319 is about 551.8782276634.

The spelling of 168085319 in words is "one hundred sixty-eight million, eighty-five thousand, three hundred nineteen".