165450316627 has 2 divisors, whose sum is σ = 165450316628. Its totient is φ = 165450316626.

The previous prime is 165450316573. The next prime is 165450316651. The reversal of 165450316627 is 726613054561.

It is a strong prime.

It is an emirp because it is prime and its reverse (726613054561) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 165450316627 - 2³⁵ = 131090578259 is a prime.

It is not a weakly prime, because it can be changed into another prime (165450319627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82725158313 + 82725158314.

It is an arithmetic number, because the mean of its divisors is an integer number (82725158314).

Almost surely, 2^165450316627 is an apocalyptic number.

165450316627 is a deficient number, since it is larger than the sum of its proper divisors (1).

165450316627 is an equidigital number, since it uses as much as digits as its factorization.

165450316627 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 907200, while the sum is 46.

The spelling of 165450316627 in words is "one hundred sixty-five billion, four hundred fifty million, three hundred sixteen thousand, six hundred twenty-seven".