2055166 has 16 divisors (see below), whose sum is σ = 3211488. Its totient is φ = 985600.

The previous prime is 2055133. The next prime is 2055187. The reversal of 2055166 is 6615502.

It is a self number, because there is not a number n which added to its sum of digits gives 2055166.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5646 + ... + 5998.

It is an arithmetic number, because the mean of its divisors is an integer number (200718).

2^2055166 is an apocalyptic number.

2055166 is a deficient number, since it is larger than the sum of its proper divisors (1156322).

2055166 is a wasteful number, since it uses less digits than its factorization.

2055166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 2055166 is about 1433.5850166628. The cubic root of 2055166 is about 127.1400278315.

The spelling of 2055166 in words is "two million, fifty-five thousand, one hundred sixty-six".