16503027506044 has 12 divisors (see below), whose sum is σ = 28880347134184. Its totient is φ = 8251499753424.

The previous prime is 16503027505981. The next prime is 16503027506047. The reversal of 16503027506044 is 44060572030561.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16503027506047) 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 3 ways as a sum of consecutive naturals, for example, 576174 + ... + 5773909.

Almost surely, 2^{16503027506044} is an apocalyptic number.

It is an amenable number.

16503027506044 is a deficient number, since it is larger than the sum of its proper divisors (12377319628140).

16503027506044 is a wasteful number, since it uses less digits than its factorization.

16503027506044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6999804 (or 6999802 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 43.

The spelling of 16503027506044 in words is "sixteen trillion, five hundred three billion, twenty-seven million, five hundred six thousand, forty-four".