5566671 has 16 divisors (see below), whose sum is σ = 8997120. Its totient is φ = 3373560.

The previous prime is 5566669. The next prime is 5566681. The reversal of 5566671 is 1766655.

It is a happy number.

It is not a de Polignac number, because 5566671 - 2¹ = 5566669 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5566661) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 9075 + ... + 9668.

It is an arithmetic number, because the mean of its divisors is an integer number (562320).

Almost surely, 2^5566671 is an apocalyptic number.

5566671 is a deficient number, since it is larger than the sum of its proper divisors (3430449).

5566671 is a wasteful number, since it uses less digits than its factorization.

5566671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18763 (or 18757 counting only the distinct ones).

The product of its digits is 37800, while the sum is 36.

The square root of 5566671 is about 2359.3793675456. The cubic root of 5566671 is about 177.2278020639.

It can be divided in two parts, 556 and 6671, that added together give a palindrome (7227).

The spelling of 5566671 in words is "five million, five hundred sixty-six thousand, six hundred seventy-one".