271656656191 has 2 divisors, whose sum is σ = 271656656192. Its totient is φ = 271656656190.

The previous prime is 271656656147. The next prime is 271656656207. The reversal of 271656656191 is 191656656172.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 271656656191 - 2²⁵ = 271623101759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (271656656101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135828328095 + 135828328096.

It is an arithmetic number, because the mean of its divisors is an integer number (135828328096).

Almost surely, 2^271656656191 is an apocalyptic number.

271656656191 is a deficient number, since it is larger than the sum of its proper divisors (1).

271656656191 is an equidigital number, since it uses as much as digits as its factorization.

271656656191 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4082400, while the sum is 55.

The spelling of 271656656191 in words is "two hundred seventy-one billion, six hundred fifty-six million, six hundred fifty-six thousand, one hundred ninety-one".