166741417 has 8 divisors (see below), whose sum is σ = 170613216. Its totient is φ = 162912672.

The previous prime is 166741409. The next prime is 166741453. The reversal of 166741417 is 714147661.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 166741417 - 2³ = 166741409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (166711417) 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 7 ways as a sum of consecutive naturals, for example, 2863 + ... + 18484.

It is an arithmetic number, because the mean of its divisors is an integer number (21326652).

Almost surely, 2^166741417 is an apocalyptic number.

It is an amenable number.

166741417 is a deficient number, since it is larger than the sum of its proper divisors (3871799).

166741417 is a wasteful number, since it uses less digits than its factorization.

166741417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21527.

The product of its digits is 28224, while the sum is 37.

The square root of 166741417 is about 12912.8392307811. The cubic root of 166741417 is about 550.4034692397.

The spelling of 166741417 in words is "one hundred sixty-six million, seven hundred forty-one thousand, four hundred seventeen".