6344667802668 has 96 divisors (see below), whose sum is σ = 15991142003200. Its totient is φ = 1946315879424.

The previous prime is 6344667802607. The next prime is 6344667802687. The reversal of 6344667802668 is 8662087664436.

It is a junction number, because it is equal to n+sod(n) for n = 6344667802599 and 6344667802608.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 167479353 + ... + 167517231.

Almost surely, 2^{6344667802668} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6344667802668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7995571001600).

6344667802668 is an abundant number, since it is smaller than the sum of its proper divisors (9646474200532).

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

6344667802668 is a wasteful number, since it uses less digits than its factorization.

6344667802668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41111 (or 41109 counting only the distinct ones).

The product of its (nonzero) digits is 334430208, while the sum is 66.

The spelling of 6344667802668 in words is "six trillion, three hundred forty-four billion, six hundred sixty-seven million, eight hundred two thousand, six hundred sixty-eight".