8666164 has 12 divisors (see below), whose sum is σ = 16332484. Its totient is φ = 3999744.

The previous prime is 8666159. The next prime is 8666167. The reversal of 8666164 is 4616668.

It can be written as a sum of positive squares in 2 ways, for example, as 2624400 + 6041764 = 1620^2 + 2458^2 .

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8666167) 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, 83277 + ... + 83380.

Almost surely, 2^8666164 is an apocalyptic number.

It is an amenable number.

8666164 is a deficient number, since it is larger than the sum of its proper divisors (7666320).

8666164 is a wasteful number, since it uses less digits than its factorization.

8666164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166674 (or 166672 counting only the distinct ones).

The product of its digits is 41472, while the sum is 37.

The square root of 8666164 is about 2943.8349138496. The cubic root of 8666164 is about 205.4040336268.

The spelling of 8666164 in words is "eight million, six hundred sixty-six thousand, one hundred sixty-four".