116661239 has 2 divisors, whose sum is σ = 116661240. Its totient is φ = 116661238.

The previous prime is 116661187. The next prime is 116661247. The reversal of 116661239 is 932166611.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 116661239 - 2¹² = 116657143 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 116661199 and 116661208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (116661269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58330619 + 58330620.

It is an arithmetic number, because the mean of its divisors is an integer number (58330620).

Almost surely, 2^116661239 is an apocalyptic number.

116661239 is a deficient number, since it is larger than the sum of its proper divisors (1).

116661239 is an equidigital number, since it uses as much as digits as its factorization.

116661239 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11664, while the sum is 35.

The square root of 116661239 is about 10800.9832422794. The cubic root of 116661239 is about 488.6248253167.

The spelling of 116661239 in words is "one hundred sixteen million, six hundred sixty-one thousand, two hundred thirty-nine".