165022534889 has 2 divisors, whose sum is σ = 165022534890. Its totient is φ = 165022534888.

The previous prime is 165022534829. The next prime is 165022534891. The reversal of 165022534889 is 988435220561.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 90365169664 + 74657365225 = 300608^2 + 273235^2 .

It is an emirp because it is prime and its reverse (988435220561) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 165022534889 - 2¹² = 165022530793 is a prime.

Together with 165022534891, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 165022534889.

It is not a weakly prime, because it can be changed into another prime (165022534829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82511267444 + 82511267445.

It is an arithmetic number, because the mean of its divisors is an integer number (82511267445).

Almost surely, 2^165022534889 is an apocalyptic number.

It is an amenable number.

165022534889 is a deficient number, since it is larger than the sum of its proper divisors (1).

165022534889 is an equidigital number, since it uses as much as digits as its factorization.

165022534889 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4147200, while the sum is 53.

The spelling of 165022534889 in words is "one hundred sixty-five billion, twenty-two million, five hundred thirty-four thousand, eight hundred eighty-nine".