5563841666420 has 24 divisors (see below), whose sum is σ = 11714574219264. Its totient is φ = 2219725862816.

The previous prime is 5563841666401. The next prime is 5563841666477. The reversal of 5563841666420 is 246661483655.

It is a super-3 number, since 3×5563841666420³ (a number of 39 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 363167384 + ... + 363182703.

It is an arithmetic number, because the mean of its divisors is an integer number (488107259136).

Almost surely, 2^{5563841666420} is an apocalyptic number.

It is an amenable number.

5563841666420 is an abundant number, since it is smaller than the sum of its proper divisors (6150732552844).

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

5563841666420 is a wasteful number, since it uses less digits than its factorization.

5563841666420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726350479 (or 726350477 counting only the distinct ones).

The product of its (nonzero) digits is 24883200, while the sum is 56.

The spelling of 5563841666420 in words is "five trillion, five hundred sixty-three billion, eight hundred forty-one million, six hundred sixty-six thousand, four hundred twenty".