16484745503 has 4 divisors (see below), whose sum is σ = 16589744040. Its totient is φ = 16379746968.

The previous prime is 16484745397. The next prime is 16484745509. The reversal of 16484745503 is 30554748461.

16484745503 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30554748461 = 72689 ⋅420349.

It is a cyclic number.

It is not a de Polignac number, because 16484745503 - 2³⁰ = 15411003679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16484745509) by changing a digit.

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, 52499033 + ... + 52499346.

It is an arithmetic number, because the mean of its divisors is an integer number (4147436010).

Almost surely, 2^16484745503 is an apocalyptic number.

16484745503 is a deficient number, since it is larger than the sum of its proper divisors (104998537).

16484745503 is a wasteful number, since it uses less digits than its factorization.

16484745503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104998536.

The product of its (nonzero) digits is 1612800, while the sum is 47.

The spelling of 16484745503 in words is "sixteen billion, four hundred eighty-four million, seven hundred forty-five thousand, five hundred three".