117166712166709 has 2 divisors, whose sum is σ = 117166712166710. Its totient is φ = 117166712166708.

The previous prime is 117166712166649. The next prime is 117166712166739. The reversal of 117166712166709 is 907661217661711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 103768755023025 + 13397957143684 = 10186695^2 + 3660322^2 .

It is a cyclic number.

It is not a de Polignac number, because 117166712166709 - 2³³ = 117158122232117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117166712166739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58583356083354 + 58583356083355.

It is an arithmetic number, because the mean of its divisors is an integer number (58583356083355).

Almost surely, 2^{117166712166709} is an apocalyptic number.

It is an amenable number.

117166712166709 is a deficient number, since it is larger than the sum of its proper divisors (1).

117166712166709 is an equidigital number, since it uses as much as digits as its factorization.

117166712166709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8001504, while the sum is 61.

The spelling of 117166712166709 in words is "one hundred seventeen trillion, one hundred sixty-six billion, seven hundred twelve million, one hundred sixty-six thousand, seven hundred nine".