166117 has 8 divisors (see below), whose sum is σ = 200000. Its totient is φ = 134784.

The previous prime is 166099. The next prime is 166147. The reversal of 166117 is 711661.

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 166117 - 2¹⁵ = 133349 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a zygodrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166147) 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, 492 + ... + 757.

It is an arithmetic number, because the mean of its divisors is an integer number (25000).

2¹⁶⁶¹¹⁷ is an apocalyptic number.

It is an amenable number.

166117 is a deficient number, since it is larger than the sum of its proper divisors (33883).

166117 is a wasteful number, since it uses less digits than its factorization.

166117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1275.

The product of its digits is 252, while the sum is 22.

The square root of 166117 is about 407.5745330611. The cubic root of 166117 is about 54.9715555398.

Adding to 166117 its reverse (711661), we get a palindrome (877778).

The spelling of 166117 in words is "one hundred sixty-six thousand, one hundred seventeen".