280160 has 48 divisors (see below), whose sum is σ = 707616. Its totient is φ = 104448.

The previous prime is 280139. The next prime is 280183. The reversal of 280160 is 61082.

280160 = T₁₆ + T₁₇ + ... + T₁₁₈.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is an unprimeable number.

280160 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 7 ways as a sum of consecutive naturals, for example, 2669 + ... + 2771.

It is an arithmetic number, because the mean of its divisors is an integer number (14742).

2²⁸⁰¹⁶⁰ is an apocalyptic number.

280160 is a gapful number since it is divisible by the number (20) 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 280160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (353808).

280160 is an abundant number, since it is smaller than the sum of its proper divisors (427456).

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

280160 is a wasteful number, since it uses less digits than its factorization.

280160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135 (or 127 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 280160 is about 529.3014264103. The cubic root of 280160 is about 65.4337850360.

The spelling of 280160 in words is "two hundred eighty thousand, one hundred sixty".