165456713 has 2 divisors, whose sum is σ = 165456714. Its totient is φ = 165456712.

The previous prime is 165456691. The next prime is 165456721. The reversal of 165456713 is 317654561.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 163532944 + 1923769 = 12788^2 + 1387^2 .

It is a cyclic number.

It is not a de Polignac number, because 165456713 - 2⁶ = 165456649 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (165456793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82728356 + 82728357.

It is an arithmetic number, because the mean of its divisors is an integer number (82728357).

Almost surely, 2^165456713 is an apocalyptic number.

It is an amenable number.

165456713 is a deficient number, since it is larger than the sum of its proper divisors (1).

165456713 is an equidigital number, since it uses as much as digits as its factorization.

165456713 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 75600, while the sum is 38.

The square root of 165456713 is about 12862.9978232137. The cubic root of 165456713 is about 548.9862461067.

The spelling of 165456713 in words is "one hundred sixty-five million, four hundred fifty-six thousand, seven hundred thirteen".