16053566689 has 4 divisors (see below), whose sum is σ = 16075895040. Its totient is φ = 16031238340.

The previous prime is 16053566663. The next prime is 16053566731. The reversal of 16053566689 is 98666535061.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 16053566689 - 2¹³ = 16053558497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16053566629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11163097 + ... + 11164534.

It is an arithmetic number, because the mean of its divisors is an integer number (4018973760).

Almost surely, 2^16053566689 is an apocalyptic number.

It is an amenable number.

16053566689 is a deficient number, since it is larger than the sum of its proper divisors (22328351).

16053566689 is an equidigital number, since it uses as much as digits as its factorization.

16053566689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22328350.

The product of its (nonzero) digits is 6998400, while the sum is 55.

The spelling of 16053566689 in words is "sixteen billion, fifty-three million, five hundred sixty-six thousand, six hundred eighty-nine".