6688881548734 has 16 divisors (see below), whose sum is σ = 12509077182336. Its totient is φ = 2606057746200.

The previous prime is 6688881548717. The next prime is 6688881548761. The reversal of 6688881548734 is 4378451888866.

It is a super-2 number, since 2×6688881548734² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21717147732 + ... + 21717148039.

It is an arithmetic number, because the mean of its divisors is an integer number (781817323896).

Almost surely, 2^{6688881548734} is an apocalyptic number.

6688881548734 is a deficient number, since it is larger than the sum of its proper divisors (5820195633602).

6688881548734 is a wasteful number, since it uses less digits than its factorization.

6688881548734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43434295791.

The product of its digits is 1981808640, while the sum is 76.

The spelling of 6688881548734 in words is "six trillion, six hundred eighty-eight billion, eight hundred eighty-one million, five hundred forty-eight thousand, seven hundred thirty-four".