5666911 has 2 divisors, whose sum is σ = 5666912. Its totient is φ = 5666910.

The previous prime is 5666887. The next prime is 5666939. The reversal of 5666911 is 1196665.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5666911 - 2⁷ = 5666783 is a prime.

It is a super-2 number, since 2×5666911² = 64227760563842, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5666951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2833455 + 2833456.

It is an arithmetic number, because the mean of its divisors is an integer number (2833456).

Almost surely, 2^5666911 is an apocalyptic number.

5666911 is a deficient number, since it is larger than the sum of its proper divisors (1).

5666911 is an equidigital number, since it uses as much as digits as its factorization.

5666911 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9720, while the sum is 34.

The square root of 5666911 is about 2380.5274625595. The cubic root of 5666911 is about 178.2852703814.

The spelling of 5666911 in words is "five million, six hundred sixty-six thousand, nine hundred eleven".