6666711 has 16 divisors (see below), whose sum is σ = 9455616. Its totient is φ = 4168736.

The previous prime is 6666689. The next prime is 6666719. The reversal of 6666711 is 1176666.

It is a cyclic number.

It is not a de Polignac number, because 6666711 - 2⁵ = 6666679 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6666719) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2746 + ... + 4568.

It is an arithmetic number, because the mean of its divisors is an integer number (590976).

Almost surely, 2^6666711 is an apocalyptic number.

6666711 is a deficient number, since it is larger than the sum of its proper divisors (2788905).

6666711 is a wasteful number, since it uses less digits than its factorization.

6666711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1902.

The product of its digits is 9072, while the sum is 33.

The square root of 6666711 is about 2581.9974825704. The cubic root of 6666711 is about 188.2076229679.

It can be divided in two parts, 66667 and 11, that multiplied together give a palindrome (733337).

The spelling of 6666711 in words is "six million, six hundred sixty-six thousand, seven hundred eleven".