8556166 has 8 divisors (see below), whose sum is σ = 12861864. Its totient is φ = 4268880.

The previous prime is 8556157. The next prime is 8556181. The reversal of 8556166 is 6616558.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3375 + ... + 5338.

It is an arithmetic number, because the mean of its divisors is an integer number (1607733).

Almost surely, 2^8556166 is an apocalyptic number.

8556166 is a deficient number, since it is larger than the sum of its proper divisors (4305698).

8556166 is a wasteful number, since it uses less digits than its factorization.

8556166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9206.

The product of its digits is 43200, while the sum is 37.

The square root of 8556166 is about 2925.0924771706. The cubic root of 8556166 is about 204.5312789039.

It can be divided in two parts, 855 and 6166, that added together give a triangular number (7021 = T₁₁₈).

The spelling of 8556166 in words is "eight million, five hundred fifty-six thousand, one hundred sixty-six".