8091166 has 4 divisors (see below), whose sum is σ = 12136752. Its totient is φ = 4045582.

The previous prime is 8091151. The next prime is 8091173. The reversal of 8091166 is 6611908.

It is a happy number.

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 an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2022790 + ... + 2022793.

It is an arithmetic number, because the mean of its divisors is an integer number (3034188).

Almost surely, 2^8091166 is an apocalyptic number.

8091166 is a deficient number, since it is larger than the sum of its proper divisors (4045586).

8091166 is a wasteful number, since it uses less digits than its factorization.

It is an anagram of its base 14 representation: 8091166 = (1108966)₁₄.

8091166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4045585.

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 8091166 is about 2844.4974951650. The cubic root of 8091166 is about 200.7568489522.

The spelling of 8091166 in words is "eight million, ninety-one thousand, one hundred sixty-six".