16223663532073 has 2 divisors, whose sum is σ = 16223663532074. Its totient is φ = 16223663532072.

The previous prime is 16223663532053. The next prime is 16223663532079. The reversal of 16223663532073 is 37023536632261.

16223663532073 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15520542710544 + 703120821529 = 3939612^2 + 838523^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16223663532073 is a prime.

It is not a weakly prime, because it can be changed into another prime (16223663532079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8111831766036 + 8111831766037.

It is an arithmetic number, because the mean of its divisors is an integer number (8111831766037).

Almost surely, 2^{16223663532073} is an apocalyptic number.

It is an amenable number.

16223663532073 is a deficient number, since it is larger than the sum of its proper divisors (1).

16223663532073 is an equidigital number, since it uses as much as digits as its factorization.

16223663532073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4898880, while the sum is 49.

The spelling of 16223663532073 in words is "sixteen trillion, two hundred twenty-three billion, six hundred sixty-three million, five hundred thirty-two thousand, seventy-three".