6688541012 has 12 divisors (see below), whose sum is σ = 11711189280. Its totient is φ = 3342486936.

The previous prime is 6688540981. The next prime is 6688541017. The reversal of 6688541012 is 2101458866.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6688541017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 437438 + ... + 452469.

It is an arithmetic number, because the mean of its divisors is an integer number (975932440).

Almost surely, 2^6688541012 is an apocalyptic number.

It is an amenable number.

6688541012 is a deficient number, since it is larger than the sum of its proper divisors (5022648268).

6688541012 is a wasteful number, since it uses less digits than its factorization.

6688541012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 891790 (or 891788 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 41.

The square root of 6688541012 is about 81783.5008543899. The cubic root of 6688541012 is about 1884.1282651963.

Adding to 6688541012 its reverse (2101458866), we get a palindrome (8789999878).

The spelling of 6688541012 in words is "six billion, six hundred eighty-eight million, five hundred forty-one thousand, twelve".