162225497618 has 6 divisors (see below), whose sum is σ = 243339100839. Its totient is φ = 81112464006.

The previous prime is 162225497617. The next prime is 162225497659. The reversal of 162225497618 is 816794522261.

It can be written as a sum of positive squares in only one way, i.e., 81112748809 + 81112748809 = 284803^2 + 284803^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=284803.

It is a super-2 number, since 2×162225497618² (a number of 23 digits) contains 22 as substring.

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 162225497618.

It is not an unprimeable number, because it can be changed into a prime (162225497617) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 427205 + ... + 712007.

Almost surely, 2^162225497618 is an apocalyptic number.

162225497618 is a deficient number, since it is larger than the sum of its proper divisors (81113603221).

162225497618 is an frugal number, since it uses more digits than its factorization.

162225497618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569608 (or 284805 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 53.

The spelling of 162225497618 in words is "one hundred sixty-two billion, two hundred twenty-five million, four hundred ninety-seven thousand, six hundred eighteen".