166579079 has 2 divisors, whose sum is σ = 166579080. Its totient is φ = 166579078.

The previous prime is 166579067. The next prime is 166579097. The reversal of 166579079 is 970975661.

Together with next prime (166579097) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is an emirp because it is prime and its reverse (970975661) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-166579079 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (166579279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83289539 + 83289540.

It is an arithmetic number, because the mean of its divisors is an integer number (83289540).

Almost surely, 2^166579079 is an apocalyptic number.

166579079 is a deficient number, since it is larger than the sum of its proper divisors (1).

166579079 is an equidigital number, since it uses as much as digits as its factorization.

166579079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 714420, while the sum is 50.

The square root of 166579079 is about 12906.5517858179. The cubic root of 166579079 is about 550.2247885557.

The spelling of 166579079 in words is "one hundred sixty-six million, five hundred seventy-nine thousand, seventy-nine".