6687780967296 has 192 divisors, whose sum is σ = 22609260077040. Its totient is φ = 1870707916800.

The previous prime is 6687780967289. The next prime is 6687780967349. The reversal of 6687780967296 is 6927690877866.

It is a tau number, because it is divible by the number of its divisors (192).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20133745 + ... + 20463216.

Almost surely, 2^{6687780967296} is an apocalyptic number.

6687780967296 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

6687780967296 is an abundant number, since it is smaller than the sum of its proper divisors (15921479109744).

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

6687780967296 is a wasteful number, since it uses less digits than its factorization.

6687780967296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40597005 (or 40596990 counting only the distinct ones).

The product of its (nonzero) digits is 4608866304, while the sum is 81.

The spelling of 6687780967296 in words is "six trillion, six hundred eighty-seven billion, seven hundred eighty million, nine hundred sixty-seven thousand, two hundred ninety-six".