6868916891641 has 8 divisors (see below), whose sum is σ = 7895567559744. Its totient is φ = 5853610430160.

The previous prime is 6868916891593. The next prime is 6868916891663. The reversal of 6868916891641 is 1461986198686.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6868916891641 - 2¹⁷ = 6868916760569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6868916801641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2836050355 + ... + 2836052776.

It is an arithmetic number, because the mean of its divisors is an integer number (986945944968).

Almost surely, 2^{6868916891641} is an apocalyptic number.

It is an amenable number.

6868916891641 is a deficient number, since it is larger than the sum of its proper divisors (1026650668103).

6868916891641 is a wasteful number, since it uses less digits than its factorization.

6868916891641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5672103311.

The product of its digits is 214990848, while the sum is 73.

The spelling of 6868916891641 in words is "six trillion, eight hundred sixty-eight billion, nine hundred sixteen million, eight hundred ninety-one thousand, six hundred forty-one".