162243725522 has 6 divisors (see below), whose sum is σ = 243366442743. Its totient is φ = 81121577942.

The previous prime is 162243725521. The next prime is 162243725543. The reversal of 162243725522 is 225527342261.

162243725522 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 81121862761 + 81121862761 = 284819^2 + 284819^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=284819.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 162243725522.

It is not an unprimeable number, because it can be changed into a prime (162243725521) 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 2 ways as a sum of consecutive naturals, for example, 427229 + ... + 712047.

Almost surely, 2^162243725522 is an apocalyptic number.

162243725522 is a deficient number, since it is larger than the sum of its proper divisors (81122717221).

162243725522 is an frugal number, since it uses more digits than its factorization.

162243725522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569640 (or 284821 counting only the distinct ones).

The product of its digits is 403200, while the sum is 41.

The spelling of 162243725522 in words is "one hundred sixty-two billion, two hundred forty-three million, seven hundred twenty-five thousand, five hundred twenty-two".