6605984944 has 80 divisors (see below), whose sum is σ = 14153094144. Its totient is φ = 2967552000.

The previous prime is 6605984941. The next prime is 6605984963. The reversal of 6605984944 is 4494895066.

It is not an unprimeable number, because it can be changed into a prime (6605984941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5738769 + ... + 5739919.

Almost surely, 2^6605984944 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 6605984944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7076547072).

6605984944 is an abundant number, since it is smaller than the sum of its proper divisors (7547109200).

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

6605984944 is a wasteful number, since it uses less digits than its factorization.

6605984944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1886 (or 1880 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 55.

The square root of 6605984944 is about 81277.2104836282. The cubic root of 6605984944 is about 1876.3442751308.

The spelling of 6605984944 in words is "six billion, six hundred five million, nine hundred eighty-four thousand, nine hundred forty-four".