7166 has 4 divisors (see below), whose sum is σ = 10752. Its totient is φ = 3582.

The previous prime is 7159. The next prime is 7177. The reversal of 7166 is 6617.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6617 = 13 ⋅509.

It is a congruent number.

It is an unprimeable number.

7166 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1790 + ... + 1793.

It is an arithmetic number, because the mean of its divisors is an integer number (2688).

2⁷¹⁶⁶ is an apocalyptic number.

7166 is a deficient number, since it is larger than the sum of its proper divisors (3586).

7166 is a wasteful number, since it uses less digits than its factorization.

7166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3585.

The product of its digits is 252, while the sum is 20.

The square root of 7166 is about 84.6522297403. The cubic root of 7166 is about 19.2793446860.

The spelling of 7166 in words is "seven thousand, one hundred sixty-six".