6600309895872 has 336 divisors, whose sum is σ = 24162116719104. Its totient is φ = 1672551936000.

The previous prime is 6600309895847. The next prime is 6600309895909. The reversal of 6600309895872 is 2785989030066.

It is a tau number, because it is divible by the number of its divisors (336).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3597 + ... + 3633267.

It is an arithmetic number, because the mean of its divisors is an integer number (71911061664).

Almost surely, 2^{6600309895872} 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 6600309895872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12081058359552).

6600309895872 is an abundant number, since it is smaller than the sum of its proper divisors (17561806823232).

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

6600309895872 is a wasteful number, since it uses less digits than its factorization.

6600309895872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3629748 (or 3629735 counting only the distinct ones).

The product of its (nonzero) digits is 39191040, while the sum is 63.

The spelling of 6600309895872 in words is "six trillion, six hundred billion, three hundred nine million, eight hundred ninety-five thousand, eight hundred seventy-two".