2566075863 has 16 divisors (see below), whose sum is σ = 3901365216. Its totient is φ = 1486233600.

The previous prime is 2566075861. The next prime is 2566075879. The reversal of 2566075863 is 3685706652.

It is not a de Polignac number, because 2566075863 - 2¹ = 2566075861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2566075861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1934538 + ... + 1935863.

It is an arithmetic number, because the mean of its divisors is an integer number (243835326).

Almost surely, 2^2566075863 is an apocalyptic number.

2566075863 is a deficient number, since it is larger than the sum of its proper divisors (1335289353).

2566075863 is a wasteful number, since it uses less digits than its factorization.

2566075863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3870434.

The product of its (nonzero) digits is 1814400, while the sum is 48.

The square root of 2566075863 is about 50656.4493722172. The cubic root of 2566075863 is about 1369.0621501454.

The spelling of 2566075863 in words is "two billion, five hundred sixty-six million, seventy-five thousand, eight hundred sixty-three".