16128973288 has 16 divisors (see below), whose sum is σ = 30519274500. Its totient is φ = 7990500096.

The previous prime is 16128973249. The next prime is 16128973309. The reversal of 16128973288 is 88237982161.

16128973288 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 15489793764 + 639179524 = 124458^2 + 25282^2 .

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 3 ways as a sum of consecutive naturals, for example, 9247393 + ... + 9249136.

Almost surely, 2^16128973288 is an apocalyptic number.

It is an amenable number.

16128973288 is a deficient number, since it is larger than the sum of its proper divisors (14390301212).

16128973288 is a wasteful number, since it uses less digits than its factorization.

16128973288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18496644 (or 18496640 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 55.

The spelling of 16128973288 in words is "sixteen billion, one hundred twenty-eight million, nine hundred seventy-three thousand, two hundred eighty-eight".