10816563 has 8 divisors (see below), whose sum is σ = 14526400. Its totient is φ = 7158888.

The previous prime is 10816549. The next prime is 10816571. The reversal of 10816563 is 36561801.

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

It is not a de Polignac number, because 10816563 - 2⁶ = 10816499 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10816563.

It is not an unprimeable number, because it can be changed into a prime (10816513) 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, 12553 + ... + 13386.

It is an arithmetic number, because the mean of its divisors is an integer number (1815800).

Almost surely, 2^10816563 is an apocalyptic number.

10816563 is a deficient number, since it is larger than the sum of its proper divisors (3709837).

10816563 is a wasteful number, since it uses less digits than its factorization.

10816563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26081.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 10816563 is about 3288.8543598037. The cubic root of 10816563 is about 221.1548296357.

The spelling of 10816563 in words is "ten million, eight hundred sixteen thousand, five hundred sixty-three".