2012166 has 24 divisors (see below), whose sum is σ = 4695600. Its totient is φ = 619056.

The previous prime is 2012161. The next prime is 2012167. The reversal of 2012166 is 6612102.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012161) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4066 + ... + 4533.

It is an arithmetic number, because the mean of its divisors is an integer number (195650).

2^2012166 is an apocalyptic number.

2012166 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2012166 is an abundant number, since it is smaller than the sum of its proper divisors (2683434).

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

2012166 is a wasteful number, since it uses less digits than its factorization.

2012166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8620 (or 8617 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 2012166 is about 1418.5083714945. The cubic root of 2012166 is about 126.2470587166.

Adding to 2012166 its reverse (6612102), we get a palindrome (8624268).

The spelling of 2012166 in words is "two million, twelve thousand, one hundred sixty-six".