162240307712 has 90 divisors (see below), whose sum is σ = 377236775223. Its totient is φ = 69504218112.

The previous prime is 162240307711. The next prime is 162240307717. The reversal of 162240307712 is 217703042261.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 81120153856 + 81120153856 = 284816^2 + 284816^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=284816.

It is not an unprimeable number, because it can be changed into a prime (162240307711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 63797513 + ... + 63800055.

Almost surely, 2^162240307712 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 162240307712

162240307712 is an abundant number, since it is smaller than the sum of its proper divisors (214996467511).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

162240307712 is an frugal number, since it uses more digits than its factorization.

162240307712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5118 (or 2552 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 35.

Adding to 162240307712 its reverse (217703042261), we get a palindrome (379943349973).

The spelling of 162240307712 in words is "one hundred sixty-two billion, two hundred forty million, three hundred seven thousand, seven hundred twelve".