166481017 has 8 divisors (see below), whose sum is σ = 179164872. Its totient is φ = 154118400.

The previous prime is 166481011. The next prime is 166481023. The reversal of 166481017 is 710184661.

It is an interprime number because it is at equal distance from previous prime (166481011) and next prime (166481023).

It can be written as a sum of positive squares in 4 ways, for example, as 14600041 + 151880976 = 3821^2 + 12324^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-166481017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (166481011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79234 + ... + 81307.

It is an arithmetic number, because the mean of its divisors is an integer number (22395609).

Almost surely, 2^166481017 is an apocalyptic number.

166481017 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

166481017 is a deficient number, since it is larger than the sum of its proper divisors (12683855).

166481017 is a wasteful number, since it uses less digits than its factorization.

166481017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160619.

The product of its (nonzero) digits is 8064, while the sum is 34.

The square root of 166481017 is about 12902.7523032879. The cubic root of 166481017 is about 550.1167983354.

The spelling of 166481017 in words is "one hundred sixty-six million, four hundred eighty-one thousand, seventeen".