5641691841663 has 16 divisors (see below), whose sum is σ = 7549023039360. Its totient is φ = 3747744928224.

The previous prime is 5641691841647. The next prime is 5641691841691. The reversal of 5641691841663 is 3661481961465.

It is not a de Polignac number, because 5641691841663 - 2⁴ = 5641691841647 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5641691841597 and 5641691841606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5641691840663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60562720 + ... + 60655802.

It is an arithmetic number, because the mean of its divisors is an integer number (471813939960).

Almost surely, 2^{5641691841663} is an apocalyptic number.

5641691841663 is a deficient number, since it is larger than the sum of its proper divisors (1907331197697).

5641691841663 is a wasteful number, since it uses less digits than its factorization.

5641691841663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164758.

The product of its digits is 22394880, while the sum is 60.

The spelling of 5641691841663 in words is "five trillion, six hundred forty-one billion, six hundred ninety-one million, eight hundred forty-one thousand, six hundred sixty-three".