165103563326 has 8 divisors (see below), whose sum is σ = 266705756184. Its totient is φ = 76201644600.

The previous prime is 165103563299. The next prime is 165103563329. The reversal of 165103563326 is 623365301561.

165103563326 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165103563329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3175068500 + ... + 3175068551.

It is an arithmetic number, because the mean of its divisors is an integer number (33338219523).

Almost surely, 2^165103563326 is an apocalyptic number.

165103563326 is a deficient number, since it is larger than the sum of its proper divisors (101602192858).

165103563326 is a wasteful number, since it uses less digits than its factorization.

165103563326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6350137066.

The product of its (nonzero) digits is 291600, while the sum is 41.

Adding to 165103563326 its reverse (623365301561), we get a palindrome (788468864887).

The spelling of 165103563326 in words is "one hundred sixty-five billion, one hundred three million, five hundred sixty-three thousand, three hundred twenty-six".