8156166 has 8 divisors (see below), whose sum is σ = 16312344. Its totient is φ = 2718720.

The previous prime is 8156153. The next prime is 8156167. The reversal of 8156166 is 6616518.

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

8156166 is an admirable number.

It is a Smith number, since the sum of its digits (33) 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 not an unprimeable number, because it can be changed into a prime (8156167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 679675 + ... + 679686.

It is an arithmetic number, because the mean of its divisors is an integer number (2039043).

Almost surely, 2^8156166 is an apocalyptic number.

8156166 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.

8156166 is a wasteful number, since it uses less digits than its factorization.

8156166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1359366.

The product of its digits is 8640, while the sum is 33.

The square root of 8156166 is about 2855.9002083406. The cubic root of 8156166 is about 201.2930059964.

The spelling of 8156166 in words is "eight million, one hundred fifty-six thousand, one hundred sixty-six".