166332717 has 16 divisors (see below), whose sum is σ = 246623680. Its totient is φ = 110796336.

The previous prime is 166332689. The next prime is 166332721. The reversal of 166332717 is 717233661.

166332717 is a `hidden beast` number, since 1 + 6 + 633 + 2 + 7 + 17 = 666.

It is not a de Polignac number, because 166332717 - 2⁸ = 166332461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166332737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50598 + ... + 53784.

It is an arithmetic number, because the mean of its divisors is an integer number (15413980).

Almost surely, 2^166332717 is an apocalyptic number.

It is an amenable number.

166332717 is a deficient number, since it is larger than the sum of its proper divisors (80290963).

166332717 is a wasteful number, since it uses less digits than its factorization.

166332717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5129 (or 5123 counting only the distinct ones).

The product of its digits is 31752, while the sum is 36.

The square root of 166332717 is about 12897.0041870196. The cubic root of 166332717 is about 549.9534032149.

The spelling of 166332717 in words is "one hundred sixty-six million, three hundred thirty-two thousand, seven hundred seventeen".