6689067902928 has 80 divisors (see below), whose sum is σ = 19202279626240. Its totient is φ = 2229436452096.

The previous prime is 6689067902917. The next prime is 6689067902941. The reversal of 6689067902928 is 8292097609866.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2955300 + ... + 4702332.

It is an arithmetic number, because the mean of its divisors is an integer number (240028495328).

Almost surely, 2^{6689067902928} is an apocalyptic number.

It is an amenable number.

6689067902928 is an abundant number, since it is smaller than the sum of its proper divisors (12513211723312).

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

6689067902928 is a wasteful number, since it uses less digits than its factorization.

6689067902928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1755913 (or 1755901 counting only the distinct ones).

The product of its (nonzero) digits is 282175488, while the sum is 72.

The spelling of 6689067902928 in words is "six trillion, six hundred eighty-nine billion, sixty-seven million, nine hundred two thousand, nine hundred twenty-eight".