168448 has 40 divisors (see below), whose sum is σ = 392832. Its totient is φ = 70656.
The previous prime is 168433. The next prime is 168449. The reversal of 168448 is 844861.
It is a nialpdrome in base 8.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (168449) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3561 + ... + 3607.
2168448 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 168448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (196416).
168448 is an abundant number, since it is smaller than the sum of its proper divisors (224384).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
168448 is an frugal number, since it uses more digits than its factorization.
168448 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 72 (or 56 counting only the distinct ones).
The product of its digits is 6144, while the sum is 31.
The square root of 168448 is about 410.4241708282. The cubic root of 168448 is about 55.2274875352.
It can be divided in two parts, 168 and 448, that added together give a palindrome (616).
The spelling of 168448 in words is "one hundred sixty-eight thousand, four hundred forty-eight".
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