5666565543 has 8 divisors (see below), whose sum is σ = 7697976048. Its totient is φ = 3706432704.

The previous prime is 5666565533. The next prime is 5666565557. The reversal of 5666565543 is 3455656665.

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

It is not a de Polignac number, because 5666565543 - 2⁶ = 5666565479 is a prime.

It is a super-2 number, since 2×5666565543² = 64219930106229769698, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5666565523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17819230 + ... + 17819547.

It is an arithmetic number, because the mean of its divisors is an integer number (962247006).

Almost surely, 2^5666565543 is an apocalyptic number.

5666565543 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

5666565543 is a deficient number, since it is larger than the sum of its proper divisors (2031410505).

5666565543 is a wasteful number, since it uses less digits than its factorization.

5666565543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35638833.

The product of its digits is 9720000, while the sum is 51.

The square root of 5666565543 is about 75276.5935932279. The cubic root of 5666565543 is about 1782.8164752905.

The spelling of 5666565543 in words is "five billion, six hundred sixty-six million, five hundred sixty-five thousand, five hundred forty-three".