6666688014080 has 144 divisors (see below), whose sum is σ = 16024773996000. Its totient is φ = 2657338245120.

The previous prime is 6666688014047. The next prime is 6666688014157. The reversal of 6666688014080 is 804108866666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 884055110 + ... + 884062650.

It is an arithmetic number, because the mean of its divisors is an integer number (111283152750).

Almost surely, 2^{6666688014080} 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 6666688014080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8012386998000).

6666688014080 is an abundant number, since it is smaller than the sum of its proper divisors (9358085981920).

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

6666688014080 is a wasteful number, since it uses less digits than its factorization.

6666688014080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9890 (or 9876 counting only the distinct ones).

The product of its (nonzero) digits is 15925248, while the sum is 59.

The spelling of 6666688014080 in words is "six trillion, six hundred sixty-six billion, six hundred eighty-eight million, fourteen thousand, eighty".