16728456585768 has 64 divisors (see below), whose sum is σ = 43592509047360. Its totient is φ = 5344468563456.

The previous prime is 16728456585767. The next prime is 16728456585791. The reversal of 16728456585768 is 86758565482761.

It is a junction number, because it is equal to n+sod(n) for n = 16728456585693 and 16728456585702.

It is not an unprimeable number, because it can be changed into a prime (16728456585761) 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 15 ways as a sum of consecutive naturals, for example, 140525221 + ... + 140644212.

It is an arithmetic number, because the mean of its divisors is an integer number (681132953865).

Almost surely, 2^{16728456585768} is an apocalyptic number.

It is an amenable number.

16728456585768 is an abundant number, since it is smaller than the sum of its proper divisors (26864052461592).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16728456585768 is a wasteful number, since it uses less digits than its factorization.

16728456585768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281169546 (or 281169542 counting only the distinct ones).

The product of its digits is 5419008000, while the sum is 78.

The spelling of 16728456585768 in words is "sixteen trillion, seven hundred twenty-eight billion, four hundred fifty-six million, five hundred eighty-five thousand, seven hundred sixty-eight".