2921166 has 12 divisors (see below), whose sum is σ = 6329232. Its totient is φ = 973716.

The previous prime is 2921147. The next prime is 2921173. The reversal of 2921166 is 6611292.

2921166 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 81126 + ... + 81161.

It is an arithmetic number, because the mean of its divisors is an integer number (527436).

2^2921166 is an apocalyptic number.

2921166 is an abundant number, since it is smaller than the sum of its proper divisors (3408066).

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

2921166 is a wasteful number, since it uses less digits than its factorization.

2921166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162295 (or 162292 counting only the distinct ones).

The product of its digits is 1296, while the sum is 27.

The square root of 2921166 is about 1709.1418899553. The cubic root of 2921166 is about 142.9504123305.

The spelling of 2921166 in words is "two million, nine hundred twenty-one thousand, one hundred sixty-six".