116188717 has 2 divisors, whose sum is σ = 116188718. Its totient is φ = 116188716.

The previous prime is 116188691. The next prime is 116188729. The reversal of 116188717 is 717881611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 115906756 + 281961 = 10766^2 + 531^2 .

It is a cyclic number.

It is not a de Polignac number, because 116188717 - 2¹¹ = 116186669 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 116188717.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (116188757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58094358 + 58094359.

It is an arithmetic number, because the mean of its divisors is an integer number (58094359).

Almost surely, 2^116188717 is an apocalyptic number.

It is an amenable number.

116188717 is a deficient number, since it is larger than the sum of its proper divisors (1).

116188717 is an equidigital number, since it uses as much as digits as its factorization.

116188717 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18816, while the sum is 40.

The square root of 116188717 is about 10779.0870207082. The cubic root of 116188717 is about 487.9642277034.

The spelling of 116188717 in words is "one hundred sixteen million, one hundred eighty-eight thousand, seven hundred seventeen".