2057165943 has 16 divisors (see below), whose sum is σ = 3135461376. Its totient is φ = 1175248800.

The previous prime is 2057165941. The next prime is 2057165947. The reversal of 2057165943 is 3495617502.

It is not a de Polignac number, because 2057165943 - 2¹ = 2057165941 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2057165895 and 2057165904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2057165941) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111130 + ... + 128312.

It is an arithmetic number, because the mean of its divisors is an integer number (195966336).

Almost surely, 2^2057165943 is an apocalyptic number.

2057165943 is a deficient number, since it is larger than the sum of its proper divisors (1078295433).

2057165943 is a wasteful number, since it uses less digits than its factorization.

2057165943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22894.

The product of its (nonzero) digits is 226800, while the sum is 42.

The square root of 2057165943 is about 45355.9912580466. The cubic root of 2057165943 is about 1271.8125570529.

The spelling of 2057165943 in words is "two billion, fifty-seven million, one hundred sixty-five thousand, nine hundred forty-three".