6664570940160 has 2592 divisors, whose sum is σ = 29941176545280. Its totient is φ = 1359087206400.

The previous prime is 6664570940119. The next prime is 6664570940161. The reversal of 6664570940160 is 610490754666.

It is a junction number, because it is equal to n+sod(n) for n = 6664570940097 and 6664570940106.

It is not an unprimeable number, because it can be changed into a prime (6664570940161) 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 287 ways as a sum of consecutive naturals, for example, 11671752675 + ... + 11671753245.

It is an arithmetic number, because the mean of its divisors is an integer number (11551379840).

Almost surely, 2^{6664570940160} is an apocalyptic number.

6664570940160 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6664570940160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14970588272640).

6664570940160 is an abundant number, since it is smaller than the sum of its proper divisors (23276605605120).

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

6664570940160 is a wasteful number, since it uses less digits than its factorization.

6664570940160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 695 (or 671 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 54.

The spelling of 6664570940160 in words is "six trillion, six hundred sixty-four billion, five hundred seventy million, nine hundred forty thousand, one hundred sixty".