16000450889 has 4 divisors (see below), whose sum is σ = 16000952724. Its totient is φ = 15999949056.

The previous prime is 16000450877. The next prime is 16000450909. The reversal of 16000450889 is 98805400061.

16000450889 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 98805400061 = 311 ⋅317702251.

It can be written as a sum of positive squares in 2 ways, for example, as 10446475264 + 5553975625 = 102208^2 + 74525^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16000450889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16000450819) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 199592 + ... + 268025.

It is an arithmetic number, because the mean of its divisors is an integer number (4000238181).

Almost surely, 2^16000450889 is an apocalyptic number.

It is an amenable number.

16000450889 is a deficient number, since it is larger than the sum of its proper divisors (501835).

16000450889 is an equidigital number, since it uses as much as digits as its factorization.

16000450889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501834.

The product of its (nonzero) digits is 69120, while the sum is 41.

The spelling of 16000450889 in words is "sixteen billion, four hundred fifty thousand, eight hundred eighty-nine".