1166166179 has 2 divisors, whose sum is σ = 1166166180. Its totient is φ = 1166166178.

The previous prime is 1166166161. The next prime is 1166166181. The reversal of 1166166179 is 9716616611.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1166166179 is a prime.

Together with 1166166181, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1166166139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 583083089 + 583083090.

It is an arithmetic number, because the mean of its divisors is an integer number (583083090).

Almost surely, 2^1166166179 is an apocalyptic number.

1166166179 is a deficient number, since it is larger than the sum of its proper divisors (1).

1166166179 is an equidigital number, since it uses as much as digits as its factorization.

1166166179 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 81648, while the sum is 44.

The square root of 1166166179 is about 34149.1753780380. The cubic root of 1166166179 is about 1052.5760418840.

The spelling of 1166166179 in words is "one billion, one hundred sixty-six million, one hundred sixty-six thousand, one hundred seventy-nine".