2566233605 has 64 divisors (see below), whose sum is σ = 3537451008. Its totient is φ = 1774172160.

The previous prime is 2566233601. The next prime is 2566233617. The reversal of 2566233605 is 5063326652.

2566233605 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2566233605 - 2² = 2566233601 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2566233601) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8251400 + ... + 8251710.

It is an arithmetic number, because the mean of its divisors is an integer number (55272672).

Almost surely, 2^2566233605 is an apocalyptic number.

It is an amenable number.

2566233605 is a deficient number, since it is larger than the sum of its proper divisors (971217403).

2566233605 is a wasteful number, since it uses less digits than its factorization.

2566233605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486.

The product of its (nonzero) digits is 194400, while the sum is 38.

The square root of 2566233605 is about 50658.0063267397. The cubic root of 2566233605 is about 1369.0902025996.

The spelling of 2566233605 in words is "two billion, five hundred sixty-six million, two hundred thirty-three thousand, six hundred five".