160720 has 60 divisors (see below), whose sum is σ = 445284. Its totient is φ = 53760.
The previous prime is 160711. The next prime is 160723. The reversal of 160720 is 27061.
160720 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 2 ways, for example, as 28224 + 132496 = 168^2 + 364^2 .
It is a Harshad number since it is a multiple of its sum of digits (16).
160720 is a modest number, since divided by 720 gives 160 as remainder.
It is a junction number, because it is equal to n+sod(n) for n = 160694 and 160703.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (160723) by changing a digit.
160720 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3900 + ... + 3940.
2160720 is an apocalyptic number.
160720 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 160720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (222642).
160720 is an abundant number, since it is smaller than the sum of its proper divisors (284564).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
160720 is a wasteful number, since it uses less digits than its factorization.
160720 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 68 (or 55 counting only the distinct ones).
The product of its (nonzero) digits is 84, while the sum is 16.
The square root of 160720 is about 400.8989897717. The cubic root of 160720 is about 54.3696630161.
Adding to 160720 its reverse (27061), we get a palindrome (187781).
The spelling of 160720 in words is "one hundred sixty thousand, seven hundred twenty".
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