116668291 has 2 divisors, whose sum is σ = 116668292. Its totient is φ = 116668290.

The previous prime is 116668249. The next prime is 116668301. The reversal of 116668291 is 192866611.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 116668291 - 2⁷ = 116668163 is a prime.

It is a super-2 number, since 2×116668291² = 27222980249721362, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (116668091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58334145 + 58334146.

It is an arithmetic number, because the mean of its divisors is an integer number (58334146).

Almost surely, 2^116668291 is an apocalyptic number.

116668291 is a deficient number, since it is larger than the sum of its proper divisors (1).

116668291 is an equidigital number, since it uses as much as digits as its factorization.

116668291 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104, while the sum is 40.

The square root of 116668291 is about 10801.3096891072. The cubic root of 116668291 is about 488.6346706686.

The spelling of 116668291 in words is "one hundred sixteen million, six hundred sixty-eight thousand, two hundred ninety-one".