2015166 has 16 divisors (see below), whose sum is σ = 4107024. Its totient is φ = 658944.

The previous prime is 2015161. The next prime is 2015177. The reversal of 2015166 is 6615102.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2015161) by changing a digit.

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, 2851 + ... + 3486.

It is an arithmetic number, because the mean of its divisors is an integer number (256689).

2^2015166 is an apocalyptic number.

2015166 is an abundant number, since it is smaller than the sum of its proper divisors (2091858).

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

2015166 is a wasteful number, since it uses less digits than its factorization.

2015166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6395.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 2015166 is about 1419.5654264598. The cubic root of 2015166 is about 126.3097694317.

The spelling of 2015166 in words is "two million, fifteen thousand, one hundred sixty-six".