6688761216327 has 20 divisors (see below), whose sum is σ = 10261903265416. Its totient is φ = 4338655922160.

The previous prime is 6688761216307. The next prime is 6688761216343. The reversal of 6688761216327 is 7236121678866.

6688761216327 is a `hidden beast` number, since 6 + 6 + 8 + 8 + 7 + 612 + 1 + 6 + 3 + 2 + 7 = 666.

It is not a de Polignac number, because 6688761216327 - 2⁷ = 6688761216199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6688761216307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1115906449 + ... + 1115912442.

Almost surely, 2^{6688761216327} is an apocalyptic number.

6688761216327 is a deficient number, since it is larger than the sum of its proper divisors (3573142049089).

6688761216327 is a wasteful number, since it uses less digits than its factorization.

6688761216327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2231818940 (or 2231818931 counting only the distinct ones).

The product of its digits is 48771072, while the sum is 63.

The spelling of 6688761216327 in words is "six trillion, six hundred eighty-eight billion, seven hundred sixty-one million, two hundred sixteen thousand, three hundred twenty-seven".