166707417 has 16 divisors (see below), whose sum is σ = 224264000. Its totient is φ = 110149632.

The previous prime is 166707407. The next prime is 166707461. The reversal of 166707417 is 714707661.

It is a de Polignac number, because none of the positive numbers 2^k-166707417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (166707407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 288633 + ... + 289209.

It is an arithmetic number, because the mean of its divisors is an integer number (14016500).

Almost surely, 2^166707417 is an apocalyptic number.

It is an amenable number.

166707417 is a deficient number, since it is larger than the sum of its proper divisors (57556583).

166707417 is a wasteful number, since it uses less digits than its factorization.

166707417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1272.

The product of its (nonzero) digits is 49392, while the sum is 39.

The square root of 166707417 is about 12911.5226445218. The cubic root of 166707417 is about 550.3660560395.

The spelling of 166707417 in words is "one hundred sixty-six million, seven hundred seven thousand, four hundred seventeen".