6486685768 has 64 divisors (see below), whose sum is σ = 13420753920. Its totient is φ = 2928921600.

The previous prime is 6486685763. The next prime is 6486685781. The reversal of 6486685768 is 8675866846.

It is not an unprimeable number, because it can be changed into a prime (6486685763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 219996 + ... + 247732.

It is an arithmetic number, because the mean of its divisors is an integer number (209699280).

Almost surely, 2^6486685768 is an apocalyptic number.

It is an amenable number.

6486685768 is an abundant number, since it is smaller than the sum of its proper divisors (6934068152).

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

6486685768 is a wasteful number, since it uses less digits than its factorization.

6486685768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27838 (or 27834 counting only the distinct ones).

The product of its digits is 92897280, while the sum is 64.

The square root of 6486685768 is about 80539.9637943797. The cubic root of 6486685768 is about 1864.9804632980.

The spelling of 6486685768 in words is "six billion, four hundred eighty-six million, six hundred eighty-five thousand, seven hundred sixty-eight".