9916653538 has 16 divisors (see below), whose sum is σ = 16304165280. Its totient is φ = 4486204800.

The previous prime is 9916653517. The next prime is 9916653569. The reversal of 9916653538 is 8353566199.

It is a happy number.

9916653538 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1063503 + ... + 1072786.

It is an arithmetic number, because the mean of its divisors is an integer number (1019010330).

Almost surely, 2^9916653538 is an apocalyptic number.

9916653538 is a deficient number, since it is larger than the sum of its proper divisors (6387511742).

9916653538 is a wasteful number, since it uses less digits than its factorization.

9916653538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2136513.

The product of its digits is 5248800, while the sum is 55.

The square root of 9916653538 is about 99582.3957233406. The cubic root of 9916653538 is about 2148.4325000064.

The spelling of 9916653538 in words is "nine billion, nine hundred sixteen million, six hundred fifty-three thousand, five hundred thirty-eight".