5263586566 has 24 divisors (see below), whose sum is σ = 9191724696. Its totient is φ = 2254029120.

The previous prime is 5263586561. The next prime is 5263586567. The reversal of 5263586566 is 6656853625.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5263586561) 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 11 ways as a sum of consecutive naturals, for example, 106401 + ... + 147811.

It is an arithmetic number, because the mean of its divisors is an integer number (382988529).

Almost surely, 2^5263586566 is an apocalyptic number.

5263586566 is a deficient number, since it is larger than the sum of its proper divisors (3928138130).

5263586566 is a wasteful number, since it uses less digits than its factorization.

5263586566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42724 (or 42717 counting only the distinct ones).

The product of its digits is 7776000, while the sum is 52.

The square root of 5263586566 is about 72550.5793636412. The cubic root of 5263586566 is about 1739.5113092310.

The spelling of 5263586566 in words is "five billion, two hundred sixty-three million, five hundred eighty-six thousand, five hundred sixty-six".