116716109 has 2 divisors, whose sum is σ = 116716110. Its totient is φ = 116716108.

The previous prime is 116716081. The next prime is 116716111. The reversal of 116716109 is 901617611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 77616100 + 39100009 = 8810^2 + 6253^2 .

It is a cyclic number.

It is not a de Polignac number, because 116716109 - 2⁸ = 116715853 is a prime.

Together with 116716111, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (116716139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58358054 + 58358055.

It is an arithmetic number, because the mean of its divisors is an integer number (58358055).

Almost surely, 2^116716109 is an apocalyptic number.

It is an amenable number.

116716109 is a deficient number, since it is larger than the sum of its proper divisors (1).

116716109 is an equidigital number, since it uses as much as digits as its factorization.

116716109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 32.

The square root of 116716109 is about 10803.5229902102. The cubic root of 116716109 is about 488.7014192855.

The spelling of 116716109 in words is "one hundred sixteen million, seven hundred sixteen thousand, one hundred nine".