161084 has 24 divisors (see below), whose sum is σ = 352128. Its totient is φ = 62640.

The previous prime is 161071. The next prime is 161087. The reversal of 161084 is 480161.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161087) by changing a digit.

161084 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, 47 + ... + 569.

It is an arithmetic number, because the mean of its divisors is an integer number (14672).

2¹⁶¹⁰⁸⁴ is an apocalyptic number.

161084 is a gapful number since it is divisible by the number (14) 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 161084, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176064).

161084 is an abundant number, since it is smaller than the sum of its proper divisors (191044).

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

161084 is a wasteful number, since it uses less digits than its factorization.

161084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545 (or 543 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 161084 is about 401.3527127104. The cubic root of 161084 is about 54.4106776907.

The spelling of 161084 in words is "one hundred sixty-one thousand, eighty-four".