6605006436672 has 84 divisors (see below), whose sum is σ = 20328929278560. Its totient is φ = 1887144693504.

The previous prime is 6605006436671. The next prime is 6605006436719. The reversal of 6605006436672 is 2766346005066.

It is a tau number, because it is divible by the number of its divisors (84).

It is a super-2 number, since 2×6605006436672² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6605006436671) 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 11 ways as a sum of consecutive naturals, for example, 351021972 + ... + 351040787.

It is an arithmetic number, because the mean of its divisors is an integer number (242011062840).

Almost surely, 2^{6605006436672} is an apocalyptic number.

It is an amenable number.

6605006436672 is an abundant number, since it is smaller than the sum of its proper divisors (13723922841888).

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

6605006436672 is a wasteful number, since it uses less digits than its factorization.

6605006436672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 702062788 (or 702062771 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 51.

The spelling of 6605006436672 in words is "six trillion, six hundred five billion, six million, four hundred thirty-six thousand, six hundred seventy-two".