16683755645648 has 80 divisors (see below), whose sum is σ = 39842592160896. Its totient is φ = 6590503180800.

The previous prime is 16683755645647. The next prime is 16683755645653. The reversal of 16683755645648 is 84654655738661.

16683755645648 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 (16683755645647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7394003 + ... + 9382898.

Almost surely, 2^{16683755645648} is an apocalyptic number.

It is an amenable number.

16683755645648 is an abundant number, since it is smaller than the sum of its proper divisors (23158836515248).

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

16683755645648 is a wasteful number, since it uses less digits than its factorization.

16683755645648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16777612 (or 16777606 counting only the distinct ones).

The product of its digits is 3483648000, while the sum is 74.

The spelling of 16683755645648 in words is "sixteen trillion, six hundred eighty-three billion, seven hundred fifty-five million, six hundred forty-five thousand, six hundred forty-eight".