16533531042688 has 128 divisors (see below), whose sum is σ = 38302201152000. Its totient is φ = 7029578649600.

The previous prime is 16533531042599. The next prime is 16533531042709. The reversal of 16533531042688 is 88624013533561.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1798173 + ... + 6024988.

It is an arithmetic number, because the mean of its divisors is an integer number (299235946500).

Almost surely, 2^{16533531042688} is an apocalyptic number.

It is an amenable number.

16533531042688 is an abundant number, since it is smaller than the sum of its proper divisors (21768670109312).

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

16533531042688 is a wasteful number, since it uses less digits than its factorization.

16533531042688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7823284 (or 7823272 counting only the distinct ones).

The product of its (nonzero) digits is 12441600, while the sum is 55.

The spelling of 16533531042688 in words is "sixteen trillion, five hundred thirty-three billion, five hundred thirty-one million, forty-two thousand, six hundred eighty-eight".