116819617 has 2 divisors, whose sum is σ = 116819618. Its totient is φ = 116819616.

The previous prime is 116819609. The next prime is 116819629. The reversal of 116819617 is 716918611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 110649361 + 6170256 = 10519^2 + 2484^2 .

It is a cyclic number.

It is not a de Polignac number, because 116819617 - 2³ = 116819609 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 116819617.

It is not a weakly prime, because it can be changed into another prime (116819317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58409808 + 58409809.

It is an arithmetic number, because the mean of its divisors is an integer number (58409809).

Almost surely, 2^116819617 is an apocalyptic number.

It is an amenable number.

116819617 is a deficient number, since it is larger than the sum of its proper divisors (1).

116819617 is an equidigital number, since it uses as much as digits as its factorization.

116819617 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144, while the sum is 40.

The square root of 116819617 is about 10808.3124029610. The cubic root of 116819617 is about 488.8458425387.

The spelling of 116819617 in words is "one hundred sixteen million, eight hundred nineteen thousand, six hundred seventeen".