16163223603563 has 2 divisors, whose sum is σ = 16163223603564. Its totient is φ = 16163223603562.

The previous prime is 16163223603529. The next prime is 16163223603577. The reversal of 16163223603563 is 36530632236161.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16163223603563 - 2⁴⁰ = 15063711975787 is a prime.

It is a super-2 number, since 2×16163223603563² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (16163223603503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8081611801781 + 8081611801782.

It is an arithmetic number, because the mean of its divisors is an integer number (8081611801782).

Almost surely, 2^{16163223603563} is an apocalyptic number.

16163223603563 is a deficient number, since it is larger than the sum of its proper divisors (1).

16163223603563 is an equidigital number, since it uses as much as digits as its factorization.

16163223603563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2099520, while the sum is 47.

The spelling of 16163223603563 in words is "sixteen trillion, one hundred sixty-three billion, two hundred twenty-three million, six hundred three thousand, five hundred sixty-three".