165017327055227 has 2 divisors, whose sum is σ = 165017327055228. Its totient is φ = 165017327055226.

The previous prime is 165017327055223. The next prime is 165017327055241. The reversal of 165017327055227 is 722550723710561.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 165017327055227 - 2² = 165017327055223 is a prime.

It is not a weakly prime, because it can be changed into another prime (165017327055223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82508663527613 + 82508663527614.

It is an arithmetic number, because the mean of its divisors is an integer number (82508663527614).

Almost surely, 2^{165017327055227} is an apocalyptic number.

165017327055227 is a deficient number, since it is larger than the sum of its proper divisors (1).

165017327055227 is an equidigital number, since it uses as much as digits as its factorization.

165017327055227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6174000, while the sum is 53.

The spelling of 165017327055227 in words is "one hundred sixty-five trillion, seventeen billion, three hundred twenty-seven million, fifty-five thousand, two hundred twenty-seven".