216773042647305 has 16 divisors (see below), whose sum is σ = 347966630028864. Its totient is φ = 115235702147520.

The previous prime is 216773042647247. The next prime is 216773042647309. The reversal of 216773042647305 is 503746240377612.

It is not a de Polignac number, because 216773042647305 - 2¹⁶ = 216773042581769 is a prime.

It is not an unprimeable number, because it can be changed into a prime (216773042647309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23536699266 + ... + 23536708475.

It is an arithmetic number, because the mean of its divisors is an integer number (21747914376804).

Almost surely, 2^{216773042647305} is an apocalyptic number.

It is an amenable number.

216773042647305 is a deficient number, since it is larger than the sum of its proper divisors (131193587381559).

216773042647305 is a wasteful number, since it uses less digits than its factorization.

216773042647305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47073408056.

The product of its (nonzero) digits is 35562240, while the sum is 57.

The spelling of 216773042647305 in words is "two hundred sixteen trillion, seven hundred seventy-three billion, forty-two million, six hundred forty-seven thousand, three hundred five".