5266988566 has 8 divisors (see below), whose sum is σ = 9029123280. Its totient is φ = 2257280808.

The previous prime is 5266988557. The next prime is 5266988599. The reversal of 5266988566 is 6658896625.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 188106721 + ... + 188106748.

It is an arithmetic number, because the mean of its divisors is an integer number (1128640410).

Almost surely, 2^5266988566 is an apocalyptic number.

5266988566 is a deficient number, since it is larger than the sum of its proper divisors (3762134714).

5266988566 is a wasteful number, since it uses less digits than its factorization.

5266988566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376213478.

The product of its digits is 37324800, while the sum is 61.

The square root of 5266988566 is about 72574.0212886126. The cubic root of 5266988566 is about 1739.8859931028.

The spelling of 5266988566 in words is "five billion, two hundred sixty-six million, nine hundred eighty-eight thousand, five hundred sixty-six".