116600009 has 2 divisors, whose sum is σ = 116600010. Its totient is φ = 116600008.

The previous prime is 116599939. The next prime is 116600051. The reversal of 116600009 is 900006611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 111091600 + 5508409 = 10540^2 + 2347^2 .

It is a cyclic number.

It is not a de Polignac number, because 116600009 - 2²⁰ = 115551433 is a prime.

It is not a weakly prime, because it can be changed into another prime (116600089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58300004 + 58300005.

It is an arithmetic number, because the mean of its divisors is an integer number (58300005).

Almost surely, 2^116600009 is an apocalyptic number.

It is an amenable number.

116600009 is a deficient number, since it is larger than the sum of its proper divisors (1).

116600009 is an equidigital number, since it uses as much as digits as its factorization.

116600009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 116600009 is about 10798.1484060926. The cubic root of 116600009 is about 488.5393249566.

The spelling of 116600009 in words is "one hundred sixteen million, six hundred thousand, nine".