162018 has 12 divisors (see below), whose sum is σ = 351078. Its totient is φ = 54000.
The previous prime is 162017. The next prime is 162053. The reversal of 162018 is 810261.
162018 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in only one way, i.e., 154449 + 7569 = 393^2 + 87^2 .
It is a Smith number, since the sum of its digits (18) coincides with the sum of the digits of its prime factors.
It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 9001 = 162018 / (1 + 6 + 2 + 0 + 1 + 8).
It is not an unprimeable number, because it can be changed into a prime (162011) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4483 + ... + 4518.
2162018 is an apocalyptic number.
162018 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
162018 is an abundant number, since it is smaller than the sum of its proper divisors (189060).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
162018 is a wasteful number, since it uses less digits than its factorization.
162018 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9009 (or 9006 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 18.
The square root of 162018 is about 402.5145960086. The cubic root of 162018 is about 54.5156367331.
Adding to 162018 its reverse (810261), we get a palindrome (972279).
The spelling of 162018 in words is "one hundred sixty-two thousand, eighteen".
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