16601033616227 has 2 divisors, whose sum is σ = 16601033616228. Its totient is φ = 16601033616226.

The previous prime is 16601033616221. The next prime is 16601033616229. The reversal of 16601033616227 is 72261633010661.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16601033616227 is a prime.

Together with 16601033616229, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (16601033616221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8300516808113 + 8300516808114.

It is an arithmetic number, because the mean of its divisors is an integer number (8300516808114).

Almost surely, 2^{16601033616227} is an apocalyptic number.

16601033616227 is a deficient number, since it is larger than the sum of its proper divisors (1).

16601033616227 is an equidigital number, since it uses as much as digits as its factorization.

16601033616227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 326592, while the sum is 44.

Adding to 16601033616227 its reverse (72261633010661), we get a palindrome (88862666626888).

The spelling of 16601033616227 in words is "sixteen trillion, six hundred one billion, thirty-three million, six hundred sixteen thousand, two hundred twenty-seven".