5666617 has 12 divisors (see below), whose sum is σ = 6528816. Its totient is φ = 4876920.

The previous prime is 5666599. The next prime is 5666621. The reversal of 5666617 is 7166665.

It is a happy number.

5666617 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5666617 - 2⁷ = 5666489 is a prime.

It is a super-2 number, since 2×5666617² = 64221096449378, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5666677) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3258 + ... + 4684.

It is an arithmetic number, because the mean of its divisors is an integer number (544068).

Almost surely, 2^5666617 is an apocalyptic number.

It is an amenable number.

5666617 is a deficient number, since it is larger than the sum of its proper divisors (862199).

5666617 is a wasteful number, since it uses less digits than its factorization.

5666617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1476 (or 1457 counting only the distinct ones).

The product of its digits is 45360, while the sum is 37.

The square root of 5666617 is about 2380.4657107381. The cubic root of 5666617 is about 178.2821871746.

The spelling of 5666617 in words is "five million, six hundred sixty-six thousand, six hundred seventeen".