10816624009 has 3 divisors (see below), whose sum is σ = 10816728013. Its totient is φ = 10816520006.

The previous prime is 10816624003. The next prime is 10816624033. The reversal of 10816624009 is 90042661801.

It is a happy number.

The square root of 10816624009 is 104003.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 10816624009 - 2²¹ = 10814526857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10816624003) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 52002 + ... + 156004.

Almost surely, 2^10816624009 is an apocalyptic number.

10816624009 is the 104003-rd square number.

10816624009 is the 52002-nd centered octagonal number.

It is an amenable number.

10816624009 is a deficient number, since it is larger than the sum of its proper divisors (104004).

10816624009 is an frugal number, since it uses more digits than its factorization.

10816624009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208006 (or 104003 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 37.

Multiplying 10816624009 by its product of nonzero digits (20736), we get a square (224293515450624 = 14976432²).

The spelling of 10816624009 in words is "ten billion, eight hundred sixteen million, six hundred twenty-four thousand, nine".