2006166 has 16 divisors (see below), whose sum is σ = 4032000. Its totient is φ = 665448.

The previous prime is 2006159. The next prime is 2006183. The reversal of 2006166 is 6616002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 735 + ... + 2133.

It is an arithmetic number, because the mean of its divisors is an integer number (252000).

2^2006166 is an apocalyptic number.

2006166 is an abundant number, since it is smaller than the sum of its proper divisors (2025834).

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

2006166 is a wasteful number, since it uses less digits than its factorization.

2006166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1643.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 2006166 is about 1416.3918949217. The cubic root of 2006166 is about 126.1214500434.

The spelling of 2006166 in words is "two million, six thousand, one hundred sixty-six".