6765981768 has 192 divisors, whose sum is σ = 22609117440. Its totient is φ = 1780019712.

The previous prime is 6765981751. The next prime is 6765981821. The reversal of 6765981768 is 8671895676.

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

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, 3294630 + ... + 3296682.

It is an arithmetic number, because the mean of its divisors is an integer number (117755820).

Almost surely, 2^6765981768 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 6765981768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11304558720).

6765981768 is an abundant number, since it is smaller than the sum of its proper divisors (15843135672).

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

6765981768 is a wasteful number, since it uses less digits than its factorization.

6765981768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2588 (or 2581 counting only the distinct ones).

The product of its digits is 30481920, while the sum is 63.

The square root of 6765981768 is about 82255.5880654925. The cubic root of 6765981768 is about 1891.3719374480.

The spelling of 6765981768 in words is "six billion, seven hundred sixty-five million, nine hundred eighty-one thousand, seven hundred sixty-eight".