117161659 has 2 divisors, whose sum is σ = 117161660. Its totient is φ = 117161658.

The previous prime is 117161651. The next prime is 117161699. The reversal of 117161659 is 956161711.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 117161659 - 2³ = 117161651 is a prime.

It is not a weakly prime, because it can be changed into another prime (117161651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58580829 + 58580830.

It is an arithmetic number, because the mean of its divisors is an integer number (58580830).

Almost surely, 2^117161659 is an apocalyptic number.

117161659 is a deficient number, since it is larger than the sum of its proper divisors (1).

117161659 is an equidigital number, since it uses as much as digits as its factorization.

117161659 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11340, while the sum is 37.

The square root of 117161659 is about 10824.1239368366. The cubic root of 117161659 is about 489.3224830460.

The spelling of 117161659 in words is "one hundred seventeen million, one hundred sixty-one thousand, six hundred fifty-nine".