6662039876352 has 864 divisors, whose sum is σ = 23097589831680. Its totient is φ = 1807356395520.

The previous prime is 6662039876351. The next prime is 6662039876363. The reversal of 6662039876352 is 2536789302666.

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

It is a self number, because there is not a number n which added to its sum of digits gives 6662039876352.

It is not an unprimeable number, because it can be changed into a prime (6662039876351) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3813416343 + ... + 3813418089.

Almost surely, 2^{6662039876352} 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 6662039876352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11548794915840).

6662039876352 is an abundant number, since it is smaller than the sum of its proper divisors (16435549955328).

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

6662039876352 is a wasteful number, since it uses less digits than its factorization.

6662039876352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1969 (or 1952 counting only the distinct ones).

The product of its (nonzero) digits is 117573120, while the sum is 63.

The spelling of 6662039876352 in words is "six trillion, six hundred sixty-two billion, thirty-nine million, eight hundred seventy-six thousand, three hundred fifty-two".