6682990634656 has 48 divisors (see below), whose sum is σ = 15043500299520. Its totient is φ = 2862849058560.

The previous prime is 6682990634641. The next prime is 6682990634681. The reversal of 6682990634656 is 6564360992866.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 6219016 + ... + 7214023.

It is an arithmetic number, because the mean of its divisors is an integer number (313406256240).

Almost surely, 2^{6682990634656} is an apocalyptic number.

It is an amenable number.

6682990634656 is an abundant number, since it is smaller than the sum of its proper divisors (8360509664864).

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

6682990634656 is a wasteful number, since it uses less digits than its factorization.

6682990634656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13435277 (or 13435269 counting only the distinct ones).

The product of its (nonzero) digits is 604661760, while the sum is 70.

The spelling of 6682990634656 in words is "six trillion, six hundred eighty-two billion, nine hundred ninety million, six hundred thirty-four thousand, six hundred fifty-six".