8189166 has 8 divisors (see below), whose sum is σ = 16378344. Its totient is φ = 2729720.

The previous prime is 8189161. The next prime is 8189191. The reversal of 8189166 is 6619818.

It is a sphenic number, since it is the product of 3 distinct primes.

8189166 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8189161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 682425 + ... + 682436.

It is an arithmetic number, because the mean of its divisors is an integer number (2047293).

Almost surely, 2^8189166 is an apocalyptic number.

8189166 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

8189166 is a wasteful number, since it uses less digits than its factorization.

8189166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1364866.

The product of its digits is 20736, while the sum is 39.

The square root of 8189166 is about 2861.6718889488. The cubic root of 8189166 is about 201.5641191024.

The spelling of 8189166 in words is "eight million, one hundred eighty-nine thousand, one hundred sixty-six".