5266143756864 has 63 divisors (see below), whose sum is σ = 15094608112857. Its totient is φ = 1755362893824.

The previous prime is 5266143756847. The next prime is 5266143756877. The reversal of 5266143756864 is 4686573416625.

The square root of 5266143756864 is 2294808.

It is a perfect power (a square), and thus also a powerful number.

5266143756864 is a `hidden beast` number, since 5 + 2 + 6 + 6 + 1 + 4 + 3 + 7 + 568 + 64 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1103760360000 + 4162383396864 = 1050600^2 + 2040192^2 .

It is a super-2 number, since 2×5266143756864² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 55027584 + ... + 55123200.

Almost surely, 2^{5266143756864} is an apocalyptic number.

5266143756864 is the 2294808-th square number.

It is an amenable number.

5266143756864 is an abundant number, since it is smaller than the sum of its proper divisors (9828464355993).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5266143756864 is an frugal number, since it uses more digits than its factorization.

5266143756864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191252 (or 95622 counting only the distinct ones).

The product of its digits is 174182400, while the sum is 63.

The spelling of 5266143756864 in words is "five trillion, two hundred sixty-six billion, one hundred forty-three million, seven hundred fifty-six thousand, eight hundred sixty-four".