162918 has 32 divisors (see below), whose sum is σ = 414720. Its totient is φ = 46440.

The previous prime is 162917. The next prime is 162937. The reversal of 162918 is 819261.

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

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 162891 and 162900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162917) 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, 163 + ... + 593.

It is an arithmetic number, because the mean of its divisors is an integer number (12960).

2¹⁶²⁹¹⁸ is an apocalyptic number.

162918 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 162918, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (207360).

162918 is an abundant number, since it is smaller than the sum of its proper divisors (251802).

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

162918 is a wasteful number, since it uses less digits than its factorization.

162918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449 (or 443 counting only the distinct ones).

The product of its digits is 864, while the sum is 27.

The square root of 162918 is about 403.6310196206. The cubic root of 162918 is about 54.6163940627.

The spelling of 162918 in words is "one hundred sixty-two thousand, nine hundred eighteen".