2566763645303 has 64 divisors (see below), whose sum is σ = 3337512837120. Its totient is φ = 1936937059200.

The previous prime is 2566763645269. The next prime is 2566763645363. The reversal of 2566763645303 is 3035463676652.

2566763645303 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 2566763645303 - 2¹⁸ = 2566763383159 is a prime.

It is a super-2 number, since 2×2566763645303² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2566763645363) 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, 8029550 + ... + 8343092.

It is an arithmetic number, because the mean of its divisors is an integer number (52148638080).

Almost surely, 2^{2566763645303} is an apocalyptic number.

2566763645303 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2566763645303 is a deficient number, since it is larger than the sum of its proper divisors (770749191817).

2566763645303 is a wasteful number, since it uses less digits than its factorization.

2566763645303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313740.

The product of its (nonzero) digits is 48988800, while the sum is 56.

The spelling of 2566763645303 in words is "two trillion, five hundred sixty-six billion, seven hundred sixty-three million, six hundred forty-five thousand, three hundred three".