16555224206233 has 2 divisors, whose sum is σ = 16555224206234. Its totient is φ = 16555224206232.

The previous prime is 16555224206231. The next prime is 16555224206263. The reversal of 16555224206233 is 33260242255561.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15534421125129 + 1020803081104 = 3941373^2 + 1010348^2 .

It is a cyclic number.

It is not a de Polignac number, because 16555224206233 - 2¹ = 16555224206231 is a prime.

Together with 16555224206231, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (16555224206231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8277612103116 + 8277612103117.

It is an arithmetic number, because the mean of its divisors is an integer number (8277612103117).

Almost surely, 2^{16555224206233} is an apocalyptic number.

It is an amenable number.

16555224206233 is a deficient number, since it is larger than the sum of its proper divisors (1).

16555224206233 is an equidigital number, since it uses as much as digits as its factorization.

16555224206233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592000, while the sum is 46.

The spelling of 16555224206233 in words is "sixteen trillion, five hundred fifty-five billion, two hundred twenty-four million, two hundred six thousand, two hundred thirty-three".