162144180 has 192 divisors, whose sum is σ = 558754560. Its totient is φ = 39191040.

The previous prime is 162144179. The next prime is 162144187. The reversal of 162144180 is 81441261.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162144187) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 480972 + ... + 481308.

It is an arithmetic number, because the mean of its divisors is an integer number (2910180).

Almost surely, 2^162144180 is an apocalyptic number.

162144180 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 162144180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (279377280).

162144180 is an abundant number, since it is smaller than the sum of its proper divisors (396610380).

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

162144180 is a wasteful number, since it uses less digits than its factorization.

162144180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378 (or 358 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 162144180 is about 12733.5847270123. The cubic root of 162144180 is about 545.2978536281.

The spelling of 162144180 in words is "one hundred sixty-two million, one hundred forty-four thousand, one hundred eighty".