2855166 has 32 divisors (see below), whose sum is σ = 6026400. Its totient is φ = 900480.

The previous prime is 2855161. The next prime is 2855183. The reversal of 2855166 is 6615582.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2855161) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 10480 + ... + 10748.

It is an arithmetic number, because the mean of its divisors is an integer number (188325).

2^2855166 is an apocalyptic number.

2855166 is an abundant number, since it is smaller than the sum of its proper divisors (3171234).

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

2855166 is a wasteful number, since it uses less digits than its factorization.

2855166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364.

The product of its digits is 14400, while the sum is 33.

The square root of 2855166 is about 1689.7236460439. The cubic root of 2855166 is about 141.8656071589.

The spelling of 2855166 in words is "two million, eight hundred fifty-five thousand, one hundred sixty-six".