6611143 has 16 divisors (see below), whose sum is σ = 8603136. Its totient is φ = 4926240.

The previous prime is 6611141. The next prime is 6611149. The reversal of 6611143 is 3411166.

It is a happy number.

It is not a de Polignac number, because 6611143 - 2¹ = 6611141 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 (6611141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96 + ... + 3637.

It is an arithmetic number, because the mean of its divisors is an integer number (537696).

Almost surely, 2^6611143 is an apocalyptic number.

6611143 is a deficient number, since it is larger than the sum of its proper divisors (1991993).

6611143 is a wasteful number, since it uses less digits than its factorization.

6611143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3774.

The product of its digits is 432, while the sum is 22.

The square root of 6611143 is about 2571.2143045651. The cubic root of 6611143 is about 187.6832507697.

The spelling of 6611143 in words is "six million, six hundred eleven thousand, one hundred forty-three".