6544122266 has 16 divisors (see below), whose sum is σ = 10818964800. Its totient is φ = 2943934080.

The previous prime is 6544122251. The next prime is 6544122317. The reversal of 6544122266 is 6622214456.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1531166 + ... + 1535433.

It is an arithmetic number, because the mean of its divisors is an integer number (676185300).

Almost surely, 2^6544122266 is an apocalyptic number.

6544122266 is a deficient number, since it is larger than the sum of its proper divisors (4274842534).

6544122266 is a wasteful number, since it uses less digits than its factorization.

6544122266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3066709.

The product of its digits is 138240, while the sum is 38.

The square root of 6544122266 is about 80895.7493691727. The cubic root of 6544122266 is about 1870.4687993148.

The spelling of 6544122266 in words is "six billion, five hundred forty-four million, one hundred twenty-two thousand, two hundred sixty-six".