116656606109 has 2 divisors, whose sum is σ = 116656606110. Its totient is φ = 116656606108.

The previous prime is 116656606097. The next prime is 116656606111. The reversal of 116656606109 is 901606656611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 109160856025 + 7495750084 = 330395^2 + 86578^2 .

It is a cyclic number.

It is not a de Polignac number, because 116656606109 - 2⁴ = 116656606093 is a prime.

It is a super-2 number, since 2×116656606109² (a number of 23 digits) contains 22 as substring.

Together with 116656606111, 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 (116656606159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58328303054 + 58328303055.

It is an arithmetic number, because the mean of its divisors is an integer number (58328303055).

Almost surely, 2^116656606109 is an apocalyptic number.

It is an amenable number.

116656606109 is a deficient number, since it is larger than the sum of its proper divisors (1).

116656606109 is an equidigital number, since it uses as much as digits as its factorization.

116656606109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 349920, while the sum is 47.

The spelling of 116656606109 in words is "one hundred sixteen billion, six hundred fifty-six million, six hundred six thousand, one hundred nine".