6688695735628 has 12 divisors (see below), whose sum is σ = 11706737157360. Its totient is φ = 3343913690672.

The previous prime is 6688695735607. The next prime is 6688695735671. The reversal of 6688695735628 is 8265375968866.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108509623 + ... + 108571246.

It is an arithmetic number, because the mean of its divisors is an integer number (975561429780).

Almost surely, 2^{6688695735628} is an apocalyptic number.

It is an amenable number.

6688695735628 is a deficient number, since it is larger than the sum of its proper divisors (5018041421732).

6688695735628 is a wasteful number, since it uses less digits than its factorization.

6688695735628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217088576 (or 217088574 counting only the distinct ones).

The product of its digits is 6270566400, while the sum is 79.

The spelling of 6688695735628 in words is "six trillion, six hundred eighty-eight billion, six hundred ninety-five million, seven hundred thirty-five thousand, six hundred twenty-eight".