6678662450328 has 192 divisors, whose sum is σ = 19771416213120. Its totient is φ = 2019840883200.

The previous prime is 6678662450311. The next prime is 6678662450347. The reversal of 6678662450328 is 8230542668766.

It is a happy number.

6678662450328 is a `hidden beast` number, since 6 + 6 + 7 + 8 + 66 + 245 + 0 + 328 = 666.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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, 1039153851 + ... + 1039160277.

It is an arithmetic number, because the mean of its divisors is an integer number (102976126110).

Almost surely, 2^{6678662450328} 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 6678662450328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9885708106560).

6678662450328 is an abundant number, since it is smaller than the sum of its proper divisors (13092753762792).

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

6678662450328 is a wasteful number, since it uses less digits than its factorization.

6678662450328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8838 (or 8831 counting only the distinct ones).

The product of its (nonzero) digits is 139345920, while the sum is 63.

The spelling of 6678662450328 in words is "six trillion, six hundred seventy-eight billion, six hundred sixty-two million, four hundred fifty thousand, three hundred twenty-eight".