2116057 has 4 divisors (see below), whose sum is σ = 2128896. Its totient is φ = 2103220.

The previous prime is 2116039. The next prime is 2116063. The reversal of 2116057 is 7506112.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2116057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2116027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6169 + ... + 6502.

It is an arithmetic number, because the mean of its divisors is an integer number (532224).

2^2116057 is an apocalyptic number.

It is an amenable number.

2116057 is a deficient number, since it is larger than the sum of its proper divisors (12839).

2116057 is a wasteful number, since it uses less digits than its factorization.

2116057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12838.

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 2116057 is about 1454.6673159180. The cubic root of 2116057 is about 128.3834732209.

The spelling of 2116057 in words is "two million, one hundred sixteen thousand, fifty-seven".