116661199939 has 2 divisors, whose sum is σ = 116661199940. Its totient is φ = 116661199938.

The previous prime is 116661199901. The next prime is 116661199969. The reversal of 116661199939 is 939991166611.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 116661199939 - 2²⁵ = 116627645507 is a prime.

It is not a weakly prime, because it can be changed into another prime (116661199969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58330599969 + 58330599970.

It is an arithmetic number, because the mean of its divisors is an integer number (58330599970).

Almost surely, 2^116661199939 is an apocalyptic number.

116661199939 is a deficient number, since it is larger than the sum of its proper divisors (1).

116661199939 is an equidigital number, since it uses as much as digits as its factorization.

116661199939 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4251528, while the sum is 61.

The spelling of 116661199939 in words is "one hundred sixteen billion, six hundred sixty-one million, one hundred ninety-nine thousand, nine hundred thirty-nine".