162270 has 32 divisors (see below), whose sum is σ = 433440. Its totient is φ = 43200.

The previous prime is 162269. The next prime is 162277. The reversal of 162270 is 72261.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162277) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31 + ... + 570.

It is an arithmetic number, because the mean of its divisors is an integer number (13545).

2¹⁶²²⁷⁰ is an apocalyptic number.

162270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 162270, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (216720).

162270 is an abundant number, since it is smaller than the sum of its proper divisors (271170).

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

162270 is a wasteful number, since it uses less digits than its factorization.

162270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617 (or 611 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 162270 is about 402.8275065087. The cubic root of 162270 is about 54.5438863185.

Subtracting from 162270 its reverse (72261), we obtain a palindrome (90009).

The spelling of 162270 in words is "one hundred sixty-two thousand, two hundred seventy".