167312389 has 2 divisors, whose sum is σ = 167312390. Its totient is φ = 167312388.

The previous prime is 167312357. The next prime is 167312413. The reversal of 167312389 is 983213761.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 141729025 + 25583364 = 11905^2 + 5058^2 .

It is an emirp because it is prime and its reverse (983213761) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 167312389 - 2⁵ = 167312357 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (167312329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83656194 + 83656195.

It is an arithmetic number, because the mean of its divisors is an integer number (83656195).

Almost surely, 2^167312389 is an apocalyptic number.

It is an amenable number.

167312389 is a deficient number, since it is larger than the sum of its proper divisors (1).

167312389 is an equidigital number, since it uses as much as digits as its factorization.

167312389 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 167312389 is about 12934.9290295695. The cubic root of 167312389 is about 551.0310016670.

The spelling of 167312389 in words is "one hundred sixty-seven million, three hundred twelve thousand, three hundred eighty-nine".