166579097 has 2 divisors, whose sum is σ = 166579098. Its totient is φ = 166579096.

The previous prime is 166579079. The next prime is 166579109. The reversal of 166579097 is 790975661.

Together with previous prime (166579079) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 90174016 + 76405081 = 9496^2 + 8741^2 .

It is a cyclic number.

It is not a de Polignac number, because 166579097 - 2¹² = 166575001 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (166579067) 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, 83289548 + 83289549.

It is an arithmetic number, because the mean of its divisors is an integer number (83289549).

Almost surely, 2^166579097 is an apocalyptic number.

It is an amenable number.

166579097 is a deficient number, since it is larger than the sum of its proper divisors (1).

166579097 is an equidigital number, since it uses as much as digits as its factorization.

166579097 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 166579097 is about 12906.5524831382. The cubic root of 166579097 is about 550.2248083742.

The spelling of 166579097 in words is "one hundred sixty-six million, five hundred seventy-nine thousand, ninety-seven".