2056570173 has 24 divisors (see below), whose sum is σ = 3397180800. Its totient is φ = 1174418784.

The previous prime is 2056570171. The next prime is 2056570199. The reversal of 2056570173 is 3710756502.

2056570173 is a `hidden beast` number, since 20 + 56 + 570 + 17 + 3 = 666.

It is not a de Polignac number, because 2056570173 - 2¹ = 2056570171 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2056570171) 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 23 ways as a sum of consecutive naturals, for example, 95368 + ... + 114926.

It is an arithmetic number, because the mean of its divisors is an integer number (141549200).

Almost surely, 2^2056570173 is an apocalyptic number.

It is an amenable number.

2056570173 is a deficient number, since it is larger than the sum of its proper divisors (1340610627).

2056570173 is a wasteful number, since it uses less digits than its factorization.

2056570173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21241 (or 21238 counting only the distinct ones).

The product of its (nonzero) digits is 44100, while the sum is 36.

The square root of 2056570173 is about 45349.4230724052. The cubic root of 2056570173 is about 1271.6897698551.

The spelling of 2056570173 in words is "two billion, fifty-six million, five hundred seventy thousand, one hundred seventy-three".