5636443747566 has 32 divisors (see below), whose sum is σ = 11483822004480. Its totient is φ = 1843769212416.

The previous prime is 5636443747499. The next prime is 5636443747603. The reversal of 5636443747566 is 6657473446365.

It is a junction number, because it is equal to n+sod(n) for n = 5636443747497 and 5636443747506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13593106 + ... + 14001621.

It is an arithmetic number, because the mean of its divisors is an integer number (358869437640).

Almost surely, 2^{5636443747566} is an apocalyptic number.

5636443747566 is an abundant number, since it is smaller than the sum of its proper divisors (5847378256914).

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

5636443747566 is a wasteful number, since it uses less digits than its factorization.

5636443747566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27595368.

The product of its digits is 914457600, while the sum is 66.

The spelling of 5636443747566 in words is "five trillion, six hundred thirty-six billion, four hundred forty-three million, seven hundred forty-seven thousand, five hundred sixty-six".