16573484563 has 2 divisors, whose sum is σ = 16573484564. Its totient is φ = 16573484562.

The previous prime is 16573484537. The next prime is 16573484567. The reversal of 16573484563 is 36548437561.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16573484563 - 2⁵ = 16573484531 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16573484563.

It is not a weakly prime, because it can be changed into another prime (16573484567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8286742281 + 8286742282.

It is an arithmetic number, because the mean of its divisors is an integer number (8286742282).

Almost surely, 2^16573484563 is an apocalyptic number.

16573484563 is a deficient number, since it is larger than the sum of its proper divisors (1).

16573484563 is an equidigital number, since it uses as much as digits as its factorization.

16573484563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7257600, while the sum is 52.

The spelling of 16573484563 in words is "sixteen billion, five hundred seventy-three million, four hundred eighty-four thousand, five hundred sixty-three".