5666111 has 8 divisors (see below), whose sum is σ = 6200064. Its totient is φ = 5135320.

The previous prime is 5666093. The next prime is 5666131. The reversal of 5666111 is 1116665.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5666111 - 2²² = 1471807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5666131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4586 + ... + 5688.

It is an arithmetic number, because the mean of its divisors is an integer number (775008).

Almost surely, 2^5666111 is an apocalyptic number.

5666111 is a deficient number, since it is larger than the sum of its proper divisors (533953).

5666111 is a wasteful number, since it uses less digits than its factorization.

5666111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1581.

The product of its digits is 1080, while the sum is 26.

The square root of 5666111 is about 2380.3594266413. The cubic root of 5666111 is about 178.2768804533.

The spelling of 5666111 in words is "five million, six hundred sixty-six thousand, one hundred eleven".