6559111671 has 16 divisors (see below), whose sum is σ = 10036316928. Its totient is φ = 3732508800.

The previous prime is 6559111621. The next prime is 6559111673. The reversal of 6559111671 is 1761119556.

It is not a de Polignac number, because 6559111671 - 2⁹ = 6559111159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6559111673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 642945 + ... + 653066.

It is an arithmetic number, because the mean of its divisors is an integer number (627269808).

Almost surely, 2^6559111671 is an apocalyptic number.

6559111671 is a deficient number, since it is larger than the sum of its proper divisors (3477205257).

6559111671 is a wasteful number, since it uses less digits than its factorization.

6559111671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1296262.

The product of its digits is 56700, while the sum is 42.

The square root of 6559111671 is about 80988.3428093204. The cubic root of 6559111671 is about 1871.8958221141.

The spelling of 6559111671 in words is "six billion, five hundred fifty-nine million, one hundred eleven thousand, six hundred seventy-one".