5666841 has 20 divisors (see below), whose sum is σ = 8667472. Its totient is φ = 3687768.

The previous prime is 5666833. The next prime is 5666849. The reversal of 5666841 is 1486665.

It is an interprime number because it is at equal distance from previous prime (5666833) and next prime (5666849).

It is not a de Polignac number, because 5666841 - 2³ = 5666833 is a prime.

It is a super-2 number, since 2×5666841² = 64226173838562, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

5666841 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 5666796 and 5666805.

It is not an unprimeable number, because it can be changed into a prime (5666849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2670 + ... + 4296.

Almost surely, 2^5666841 is an apocalyptic number.

It is an amenable number.

5666841 is a deficient number, since it is larger than the sum of its proper divisors (3000631).

5666841 is a wasteful number, since it uses less digits than its factorization.

5666841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1682 (or 1673 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 5666841 is about 2380.5127598902. The cubic root of 5666841 is about 178.2845362943.

The spelling of 5666841 in words is "five million, six hundred sixty-six thousand, eight hundred forty-one".