5666814171 has 24 divisors (see below), whose sum is σ = 8273126160. Its totient is φ = 3737448000.

The previous prime is 5666814157. The next prime is 5666814193. The reversal of 5666814171 is 1714186665.

It is not a de Polignac number, because 5666814171 - 2¹⁸ = 5666552027 is a prime.

It is a super-2 number, since 2×5666814171² = 64225565697292834482, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5666814121) 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 23 ways as a sum of consecutive naturals, for example, 1979281 + ... + 1982141.

It is an arithmetic number, because the mean of its divisors is an integer number (344713590).

Almost surely, 2^5666814171 is an apocalyptic number.

5666814171 is a deficient number, since it is larger than the sum of its proper divisors (2606311989).

5666814171 is a wasteful number, since it uses less digits than its factorization.

5666814171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5147 (or 5144 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 5666814171 is about 75278.2450047821. The cubic root of 5666814171 is about 1782.8425493801.

The spelling of 5666814171 in words is "five billion, six hundred sixty-six million, eight hundred fourteen thousand, one hundred seventy-one".