9216166 has 4 divisors (see below), whose sum is σ = 13824252. Its totient is φ = 4608082.

The previous prime is 9216161. The next prime is 9216191. The reversal of 9216166 is 6616129.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9216161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2304040 + ... + 2304043.

It is an arithmetic number, because the mean of its divisors is an integer number (3456063).

Almost surely, 2^9216166 is an apocalyptic number.

9216166 is a deficient number, since it is larger than the sum of its proper divisors (4608086).

9216166 is a wasteful number, since it uses less digits than its factorization.

9216166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4608085.

The product of its digits is 3888, while the sum is 31.

The square root of 9216166 is about 3035.8138941641. The cubic root of 9216166 is about 209.6605703343.

The spelling of 9216166 in words is "nine million, two hundred sixteen thousand, one hundred sixty-six".