2057166 has 24 divisors (see below), whose sum is σ = 4651920. Its totient is φ = 655776.

The previous prime is 2057147. The next prime is 2057177. The reversal of 2057166 is 6617502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2071 + ... + 2898.

It is an arithmetic number, because the mean of its divisors is an integer number (193830).

2^2057166 is an apocalyptic number.

2057166 is an abundant number, since it is smaller than the sum of its proper divisors (2594754).

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

2057166 is a wasteful number, since it uses less digits than its factorization.

2057166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5000 (or 4997 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 2057166 is about 1434.2823989717. The cubic root of 2057166 is about 127.1812568799.

The spelling of 2057166 in words is "two million, fifty-seven thousand, one hundred sixty-six".