165495793327 has 2 divisors, whose sum is σ = 165495793328. Its totient is φ = 165495793326.

The previous prime is 165495793319. The next prime is 165495793361. The reversal of 165495793327 is 723397594561.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 165495793327 - 2³ = 165495793319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (165495793927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82747896663 + 82747896664.

It is an arithmetic number, because the mean of its divisors is an integer number (82747896664).

Almost surely, 2^165495793327 is an apocalyptic number.

165495793327 is a deficient number, since it is larger than the sum of its proper divisors (1).

165495793327 is an equidigital number, since it uses as much as digits as its factorization.

165495793327 is an evil number, because the sum of its binary digits is even.

The product of its digits is 42865200, while the sum is 61.

The spelling of 165495793327 in words is "one hundred sixty-five billion, four hundred ninety-five million, seven hundred ninety-three thousand, three hundred twenty-seven".