5516563566 has 16 divisors (see below), whose sum is σ = 11070786384. Its totient is φ = 1832577984.

The previous prime is 5516563537. The next prime is 5516563573. The reversal of 5516563566 is 6653656155.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1567231 + ... + 1570746.

It is an arithmetic number, because the mean of its divisors is an integer number (691924149).

Almost surely, 2^5516563566 is an apocalyptic number.

5516563566 is an abundant number, since it is smaller than the sum of its proper divisors (5554222818).

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

5516563566 is a wasteful number, since it uses less digits than its factorization.

5516563566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3138275.

The product of its digits is 2430000, while the sum is 48.

The square root of 5516563566 is about 74273.5724601961. The cubic root of 5516563566 is about 1766.9443663066.

The spelling of 5516563566 in words is "five billion, five hundred sixteen million, five hundred sixty-three thousand, five hundred sixty-six".