16545730224223 has 2 divisors, whose sum is σ = 16545730224224. Its totient is φ = 16545730224222.

The previous prime is 16545730224181. The next prime is 16545730224329. The reversal of 16545730224223 is 32242203754561.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16545730224223 is a prime.

It is a super-2 number, since 2×16545730224223² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16545730224523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8272865112111 + 8272865112112.

It is an arithmetic number, because the mean of its divisors is an integer number (8272865112112).

Almost surely, 2^{16545730224223} is an apocalyptic number.

16545730224223 is a deficient number, since it is larger than the sum of its proper divisors (1).

16545730224223 is an equidigital number, since it uses as much as digits as its factorization.

16545730224223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2419200, while the sum is 46.

Adding to 16545730224223 its reverse (32242203754561), we get a palindrome (48787933978784).

The spelling of 16545730224223 in words is "sixteen trillion, five hundred forty-five billion, seven hundred thirty million, two hundred twenty-four thousand, two hundred twenty-three".