16522453563 has 96 divisors (see below), whose sum is σ = 29343928320. Its totient is φ = 8080300800.

The previous prime is 16522453547. The next prime is 16522453567. The reversal of 16522453563 is 36535422561.

It is a happy number.

16522453563 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 16522453563 - 2⁴ = 16522453547 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16522453567) 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 95 ways as a sum of consecutive naturals, for example, 2911693 + ... + 2917361.

It is an arithmetic number, because the mean of its divisors is an integer number (305665920).

Almost surely, 2^16522453563 is an apocalyptic number.

16522453563 is a deficient number, since it is larger than the sum of its proper divisors (12821474757).

16522453563 is a wasteful number, since it uses less digits than its factorization.

16522453563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5769 (or 5758 counting only the distinct ones).

The product of its digits is 648000, while the sum is 42.

The spelling of 16522453563 in words is "sixteen billion, five hundred twenty-two million, four hundred fifty-three thousand, five hundred sixty-three".