6664289280000 has 560 divisors, whose sum is σ = 24225159917376. Its totient is φ = 1615544320000.

The previous prime is 6664289279983. The next prime is 6664289280023. The reversal of 6664289280000 is 829824666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 168940279 + ... + 168979721.

Almost surely, 2^{6664289280000} is an apocalyptic number.

6664289280000 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 6664289280000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12112579958688).

6664289280000 is an abundant number, since it is smaller than the sum of its proper divisors (17560870637376).

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

6664289280000 is an equidigital number, since it uses as much as digits as its factorization.

6664289280000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39503 (or 39464 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 51.

The spelling of 6664289280000 in words is "six trillion, six hundred sixty-four billion, two hundred eighty-nine million, two hundred eighty thousand".