16555224206273 has 2 divisors, whose sum is σ = 16555224206274. Its totient is φ = 16555224206272.

The previous prime is 16555224206263. The next prime is 16555224206317. The reversal of 16555224206273 is 37260242255561.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16477007219344 + 78216986929 = 4059188^2 + 279673^2 .

It is a cyclic number.

It is not a de Polignac number, because 16555224206273 - 2³⁶ = 16486504729537 is a prime.

It is not a weakly prime, because it can be changed into another prime (16555224206233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8277612103136 + 8277612103137.

It is an arithmetic number, because the mean of its divisors is an integer number (8277612103137).

Almost surely, 2^{16555224206273} is an apocalyptic number.

It is an amenable number.

16555224206273 is a deficient number, since it is larger than the sum of its proper divisors (1).

16555224206273 is an equidigital number, since it uses as much as digits as its factorization.

16555224206273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048000, while the sum is 50.

The spelling of 16555224206273 in words is "sixteen trillion, five hundred fifty-five billion, two hundred twenty-four million, two hundred six thousand, two hundred seventy-three".