16349890889 has 8 divisors (see below), whose sum is σ = 16917447360. Its totient is φ = 15782585616.

The previous prime is 16349890867. The next prime is 16349890897. The reversal of 16349890889 is 98809894361.

16349890889 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 16349890889 - 2⁸ = 16349890633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16349890819) 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 7 ways as a sum of consecutive naturals, for example, 74774 + ... + 195680.

It is an arithmetic number, because the mean of its divisors is an integer number (2114680920).

Almost surely, 2^16349890889 is an apocalyptic number.

It is an amenable number.

16349890889 is a deficient number, since it is larger than the sum of its proper divisors (567556471).

16349890889 is a wasteful number, since it uses less digits than its factorization.

16349890889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125599.

The product of its (nonzero) digits is 26873856, while the sum is 65.

The spelling of 16349890889 in words is "sixteen billion, three hundred forty-nine million, eight hundred ninety thousand, eight hundred eighty-nine".