162272422400 has 180 divisors, whose sum is σ = 441918815646. Its totient is φ = 59007590400.

The previous prime is 162272422393. The next prime is 162272422423. The reversal of 162272422400 is 4224272261.

It can be written as a sum of positive squares in 3 ways, for example, as 152799682816 + 9472739584 = 390896^2 + 97328^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1496414 + ... + 1601186.

Almost surely, 2^162272422400 is an apocalyptic number.

162272422400 is a gapful number since it is divisible by the number (10) 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 162272422400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (220959407823).

162272422400 is an abundant number, since it is smaller than the sum of its proper divisors (279646393246).

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

162272422400 is a wasteful number, since it uses less digits than its factorization.

162272422400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104823 (or 104791 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 32.

Adding to 162272422400 its reverse (4224272261), we get a palindrome (166496694661).

The spelling of 162272422400 in words is "one hundred sixty-two billion, two hundred seventy-two million, four hundred twenty-two thousand, four hundred".