2566133236 has 12 divisors (see below), whose sum is σ = 4727087680. Its totient is φ = 1215536760.

The previous prime is 2566133203. The next prime is 2566133239. The reversal of 2566133236 is 6323316652.

2566133236 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2566133195 and 2566133204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2566133239) 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, 16882380 + ... + 16882531.

Almost surely, 2^2566133236 is an apocalyptic number.

It is an amenable number.

2566133236 is a deficient number, since it is larger than the sum of its proper divisors (2160954444).

2566133236 is a wasteful number, since it uses less digits than its factorization.

2566133236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33764934 (or 33764932 counting only the distinct ones).

The product of its digits is 116640, while the sum is 37.

The square root of 2566133236 is about 50657.0156641703. The cubic root of 2566133236 is about 1369.0723533534.

Adding to 2566133236 its reverse (6323316652), we get a palindrome (8889449888).

The spelling of 2566133236 in words is "two billion, five hundred sixty-six million, one hundred thirty-three thousand, two hundred thirty-six".