2556116 has 12 divisors (see below), whose sum is σ = 4549440. Its totient is φ = 1256280.

The previous prime is 2556107. The next prime is 2556121. The reversal of 2556116 is 6116552.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5180 + ... + 5651.

It is an arithmetic number, because the mean of its divisors is an integer number (379120).

2^2556116 is an apocalyptic number.

It is an amenable number.

2556116 is a deficient number, since it is larger than the sum of its proper divisors (1993324).

2556116 is a wasteful number, since it uses less digits than its factorization.

2556116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10894 (or 10892 counting only the distinct ones).

The product of its digits is 1800, while the sum is 26.

The square root of 2556116 is about 1598.7857892789. The cubic root of 2556116 is about 136.7288579400.

The spelling of 2556116 in words is "two million, five hundred fifty-six thousand, one hundred sixteen".