5266505688 has 16 divisors (see below), whose sum is σ = 13166264280. Its totient is φ = 1755501888.

The previous prime is 5266505659. The next prime is 5266505689. The reversal of 5266505688 is 8865056625.

It is a self number, because there is not a number n which added to its sum of digits gives 5266505688.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5266505689) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109718845 + ... + 109718892.

Almost surely, 2^5266505688 is an apocalyptic number.

It is an amenable number.

5266505688 is an abundant number, since it is smaller than the sum of its proper divisors (7899758592).

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

5266505688 is a wasteful number, since it uses less digits than its factorization.

5266505688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219437746 (or 219437742 counting only the distinct ones).

The product of its (nonzero) digits is 3456000, while the sum is 51.

The square root of 5266505688 is about 72570.6944158591. The cubic root of 5266505688 is about 1739.8328205081.

The spelling of 5266505688 in words is "five billion, two hundred sixty-six million, five hundred five thousand, six hundred eighty-eight".