16546447511227 has 2 divisors, whose sum is σ = 16546447511228. Its totient is φ = 16546447511226.

The previous prime is 16546447511213. The next prime is 16546447511317. The reversal of 16546447511227 is 72211574464561.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16546447511227 is a prime.

It is not a weakly prime, because it can be changed into another prime (16546447511207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8273223755613 + 8273223755614.

It is an arithmetic number, because the mean of its divisors is an integer number (8273223755614).

Almost surely, 2^{16546447511227} is an apocalyptic number.

16546447511227 is a deficient number, since it is larger than the sum of its proper divisors (1).

16546447511227 is an equidigital number, since it uses as much as digits as its factorization.

16546447511227 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11289600, while the sum is 55.

The spelling of 16546447511227 in words is "sixteen trillion, five hundred forty-six billion, four hundred forty-seven million, five hundred eleven thousand, two hundred twenty-seven".