162272723712 has 288 divisors, whose sum is σ = 508294725120. Its totient is φ = 45405634560.

The previous prime is 162272723647. The next prime is 162272723719. The reversal of 162272723712 is 217327272261.

It is a super-2 number, since 2×162272723712² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (162272723719) 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 31 ways as a sum of consecutive naturals, for example, 7600989 + ... + 7622307.

It is an arithmetic number, because the mean of its divisors is an integer number (1764912240).

Almost surely, 2^162272723712 is an apocalyptic number.

162272723712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 162272723712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (254147362560).

162272723712 is an abundant number, since it is smaller than the sum of its proper divisors (346022001408).

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

162272723712 is a wasteful number, since it uses less digits than its factorization.

162272723712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21419 (or 21405 counting only the distinct ones).

The product of its digits is 197568, while the sum is 42.

Adding to 162272723712 its reverse (217327272261), we get a palindrome (379599995973).

The spelling of 162272723712 in words is "one hundred sixty-two billion, two hundred seventy-two million, seven hundred twenty-three thousand, seven hundred twelve".