8771166 has 40 divisors (see below), whose sum is σ = 20342520. Its totient is φ = 2821392.

The previous prime is 8771159. The next prime is 8771177. The reversal of 8771166 is 6611778.

It is a happy number.

It is a plaindrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 8771166.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3765 + ... + 5631.

It is an arithmetic number, because the mean of its divisors is an integer number (508563).

Almost surely, 2^8771166 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8771166, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10171260).

8771166 is an abundant number, since it is smaller than the sum of its proper divisors (11571354).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8771166 is a wasteful number, since it uses less digits than its factorization.

8771166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1910 (or 1901 counting only the distinct ones).

The product of its digits is 14112, while the sum is 36.

The square root of 8771166 is about 2961.6154375611. The cubic root of 8771166 is about 206.2302857190.

It can be divided in two parts, 87 and 71166, that added together give a triangular number (71253 = T₃₇₇).

The spelling of 8771166 in words is "eight million, seven hundred seventy-one thousand, one hundred sixty-six".