163480 has 32 divisors (see below), whose sum is σ = 379440. Its totient is φ = 63360.
The previous prime is 163477. The next prime is 163481. The reversal of 163480 is 84361.
It is a plaindrome in base 15.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (163481) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2407 + ... + 2473.
2163480 is an apocalyptic number.
163480 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 163480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (189720).
163480 is an abundant number, since it is smaller than the sum of its proper divisors (215960).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
163480 is a wasteful number, since it uses less digits than its factorization.
163480 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 139 (or 135 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 22.
The square root of 163480 is about 404.3266006584. The cubic root of 163480 is about 54.6791233428.
The spelling of 163480 in words is "one hundred sixty-three thousand, four hundred eighty".
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