162227021320 has 512 divisors, whose sum is σ = 516973363200. Its totient is φ = 44292096000.

The previous prime is 162227021309. The next prime is 162227021323. The reversal of 162227021320 is 23120722261.

162227021320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (162227021323) 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 127 ways as a sum of consecutive naturals, for example, 36445095 + ... + 36449545.

It is an arithmetic number, because the mean of its divisors is an integer number (1009713600).

Almost surely, 2^162227021320 is an apocalyptic number.

162227021320 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 162227021320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (258486681600).

162227021320 is an abundant number, since it is smaller than the sum of its proper divisors (354746341880).

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

162227021320 is a wasteful number, since it uses less digits than its factorization.

162227021320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4549 (or 4545 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

Adding to 162227021320 its reverse (23120722261), we get a palindrome (185347743581).

The spelling of 162227021320 in words is "one hundred sixty-two billion, two hundred twenty-seven million, twenty-one thousand, three hundred twenty".