166848317 has 2 divisors, whose sum is σ = 166848318. Its totient is φ = 166848316.

The previous prime is 166848239. The next prime is 166848413. The reversal of 166848317 is 713848661.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 105555076 + 61293241 = 10274^2 + 7829^2 .

It is a cyclic number.

It is not a de Polignac number, because 166848317 - 2¹⁰ = 166847293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (166848817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83424158 + 83424159.

It is an arithmetic number, because the mean of its divisors is an integer number (83424159).

Almost surely, 2^166848317 is an apocalyptic number.

It is an amenable number.

166848317 is a deficient number, since it is larger than the sum of its proper divisors (1).

166848317 is an equidigital number, since it uses as much as digits as its factorization.

166848317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 193536, while the sum is 44.

The square root of 166848317 is about 12916.9778586169. The cubic root of 166848317 is about 550.5210676194.

The spelling of 166848317 in words is "one hundred sixty-six million, eight hundred forty-eight thousand, three hundred seventeen".