2606557256 has 16 divisors (see below), whose sum is σ = 5144521200. Its totient is φ = 1234684944.

The previous prime is 2606557229. The next prime is 2606557279. The reversal of 2606557256 is 6527556062.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

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, 8574050 + ... + 8574353.

It is an arithmetic number, because the mean of its divisors is an integer number (321532575).

Almost surely, 2^2606557256 is an apocalyptic number.

It is an amenable number.

2606557256 is a deficient number, since it is larger than the sum of its proper divisors (2537963944).

2606557256 is a wasteful number, since it uses less digits than its factorization.

2606557256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17148428 (or 17148424 counting only the distinct ones).

The product of its (nonzero) digits is 756000, while the sum is 44.

The square root of 2606557256 is about 51054.4538311791. The cubic root of 2606557256 is about 1376.2238810608.

The spelling of 2606557256 in words is "two billion, six hundred six million, five hundred fifty-seven thousand, two hundred fifty-six".