162411220 has 12 divisors (see below), whose sum is σ = 341063604. Its totient is φ = 64964480.

The previous prime is 162411191. The next prime is 162411229. The reversal of 162411220 is 22114261.

162411220 is digitally balanced in base 2, base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 18507204 + 143904016 = 4302^2 + 11996^2 .

162411220 is strictly pandigital in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162411229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4060261 + ... + 4060300.

It is an arithmetic number, because the mean of its divisors is an integer number (28421967).

Almost surely, 2^162411220 is an apocalyptic number.

162411220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

162411220 is an abundant number, since it is smaller than the sum of its proper divisors (178652384).

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

162411220 is a wasteful number, since it uses less digits than its factorization.

162411220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8120570 (or 8120568 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 162411220 is about 12744.0660701363. The cubic root of 162411220 is about 545.5970451089.

Adding to 162411220 its reverse (22114261), we get a palindrome (184525481).

The spelling of 162411220 in words is "one hundred sixty-two million, four hundred eleven thousand, two hundred twenty".