16289685688 has 16 divisors (see below), whose sum is σ = 30858040080. Its totient is φ = 8060875008.

The previous prime is 16289685649. The next prime is 16289685689. The reversal of 16289685688 is 88658698261.

16289685688 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16289685689) 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, 10495156 + ... + 10496707.

It is an arithmetic number, because the mean of its divisors is an integer number (1928627505).

Almost surely, 2^16289685688 is an apocalyptic number.

It is an amenable number.

16289685688 is a deficient number, since it is larger than the sum of its proper divisors (14568354392).

16289685688 is a wasteful number, since it uses less digits than its factorization.

16289685688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20991966 (or 20991962 counting only the distinct ones).

The product of its digits is 79626240, while the sum is 67.

The spelling of 16289685688 in words is "sixteen billion, two hundred eighty-nine million, six hundred eighty-five thousand, six hundred eighty-eight".