6544966848 has 448 divisors, whose sum is σ = 21945600000. Its totient is φ = 1715417088.

The previous prime is 6544966847. The next prime is 6544966931. The reversal of 6544966848 is 8486694456.

It is a tau number, because it is divible by the number of its divisors (448).

It is a junction number, because it is equal to n+sod(n) for n = 6544966791 and 6544966800.

It is not an unprimeable number, because it can be changed into a prime (6544966847) 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 63 ways as a sum of consecutive naturals, for example, 43925878 + ... + 43926026.

Almost surely, 2^6544966848 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6544966848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10972800000).

6544966848 is an abundant number, since it is smaller than the sum of its proper divisors (15400633152).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6544966848 is a wasteful number, since it uses less digits than its factorization.

6544966848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237 (or 213 counting only the distinct ones).

The product of its digits is 39813120, while the sum is 60.

The square root of 6544966848 is about 80900.9693885061. The cubic root of 6544966848 is about 1870.5492631905.

The spelling of 6544966848 in words is "six billion, five hundred forty-four million, nine hundred sixty-six thousand, eight hundred forty-eight".