6643801060 has 48 divisors (see below), whose sum is σ = 15816024000. Its totient is φ = 2323983744.

The previous prime is 6643801051. The next prime is 6643801097. The reversal of 6643801060 is 601083466.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 667510 + ... + 677389.

It is an arithmetic number, because the mean of its divisors is an integer number (329500500).

Almost surely, 2^6643801060 is an apocalyptic number.

It is an amenable number.

6643801060 is an abundant number, since it is smaller than the sum of its proper divisors (9172222940).

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

6643801060 is a wasteful number, since it uses less digits than its factorization.

6643801060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1344940 (or 1344938 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 6643801060 is about 81509.5151500731. The cubic root of 6643801060 is about 1879.9178570568.

The spelling of 6643801060 in words is "six billion, six hundred forty-three million, eight hundred one thousand, sixty".