10566444563 has 8 divisors (see below), whose sum is σ = 10799638416. Its totient is φ = 10335772000.

The previous prime is 10566444557. The next prime is 10566444589. The reversal of 10566444563 is 36544466501.

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 10566444563 - 2⁸ = 10566444307 is a prime.

It is a super-2 number, since 2×10566444563² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10566414563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 621848 + ... + 638613.

It is an arithmetic number, because the mean of its divisors is an integer number (1349954802).

Almost surely, 2^10566444563 is an apocalyptic number.

10566444563 is a deficient number, since it is larger than the sum of its proper divisors (233193853).

10566444563 is a wasteful number, since it uses less digits than its factorization.

10566444563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1260645.

The product of its (nonzero) digits is 1036800, while the sum is 44.

The spelling of 10566444563 in words is "ten billion, five hundred sixty-six million, four hundred forty-four thousand, five hundred sixty-three".