162418220 has 36 divisors (see below), whose sum is σ = 349672512. Its totient is φ = 63369600.

The previous prime is 162418219. The next prime is 162418231. The reversal of 162418220 is 22814261.

It is a happy number.

162418220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 162418220.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31205 + ... + 36035.

Almost surely, 2^162418220 is an apocalyptic number.

162418220 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 162418220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174836256).

162418220 is an abundant number, since it is smaller than the sum of its proper divisors (187254292).

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

162418220 is a wasteful number, since it uses less digits than its factorization.

162418220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4922 (or 4879 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 162418220 is about 12744.3407047991. The cubic root of 162418220 is about 545.6048834927.

The spelling of 162418220 in words is "one hundred sixty-two million, four hundred eighteen thousand, two hundred twenty".