16051571227 has 2 divisors, whose sum is σ = 16051571228. Its totient is φ = 16051571226.

The previous prime is 16051571197. The next prime is 16051571243. The reversal of 16051571227 is 72217515061.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16051571227 is a prime.

It is not a weakly prime, because it can be changed into another prime (16051571257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8025785613 + 8025785614.

It is an arithmetic number, because the mean of its divisors is an integer number (8025785614).

Almost surely, 2^16051571227 is an apocalyptic number.

16051571227 is a deficient number, since it is larger than the sum of its proper divisors (1).

16051571227 is an equidigital number, since it uses as much as digits as its factorization.

16051571227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 29400, while the sum is 37.

The spelling of 16051571227 in words is "sixteen billion, fifty-one million, five hundred seventy-one thousand, two hundred twenty-seven".