5666071 has 4 divisors (see below), whose sum is σ = 5773032. Its totient is φ = 5559112.

The previous prime is 5666053. The next prime is 5666093. The reversal of 5666071 is 1706665.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1706665 = 5 ⋅341333.

It is a cyclic number.

It is not a de Polignac number, because 5666071 - 2⁹ = 5665559 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5666021) 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 3 ways as a sum of consecutive naturals, for example, 53401 + ... + 53506.

It is an arithmetic number, because the mean of its divisors is an integer number (1443258).

Almost surely, 2^5666071 is an apocalyptic number.

5666071 is a deficient number, since it is larger than the sum of its proper divisors (106961).

5666071 is a wasteful number, since it uses less digits than its factorization.

5666071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106960.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 5666071 is about 2380.3510245340. The cubic root of 5666071 is about 178.2764609362.

The spelling of 5666071 in words is "five million, six hundred sixty-six thousand, seventy-one".