2566522763 has 16 divisors (see below), whose sum is σ = 2978384640. Its totient is φ = 2166142176.

The previous prime is 2566522753. The next prime is 2566522769. The reversal of 2566522763 is 3672256652.

2566522763 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2566522763 - 2⁴ = 2566522747 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2566522769) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 171173 + ... + 185561.

It is an arithmetic number, because the mean of its divisors is an integer number (186149040).

Almost surely, 2^2566522763 is an apocalyptic number.

2566522763 is a deficient number, since it is larger than the sum of its proper divisors (411861877).

2566522763 is a wasteful number, since it uses less digits than its factorization.

2566522763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14786.

The product of its digits is 907200, while the sum is 44.

The square root of 2566522763 is about 50660.8602670740. The cubic root of 2566522763 is about 1369.1416227711.

The spelling of 2566522763 in words is "two billion, five hundred sixty-six million, five hundred twenty-two thousand, seven hundred sixty-three".