161082 has 32 divisors (see below), whose sum is σ = 379200. Its totient is φ = 50544.

The previous prime is 161071. The next prime is 161087. The reversal of 161082 is 280161.

It is a Harshad number since it is a multiple of its sum of digits (18).

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

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 948 + ... + 1104.

It is an arithmetic number, because the mean of its divisors is an integer number (11850).

2¹⁶¹⁰⁸² is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 161082, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (189600).

161082 is an abundant number, since it is smaller than the sum of its proper divisors (218118).

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

161082 is a wasteful number, since it uses less digits than its factorization.

161082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187 (or 181 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 161082 is about 401.3502211286. The cubic root of 161082 is about 54.4104525042.

It can be divided in two parts, 16108 and 2, that added together give a triangular number (16110 = T₁₇₉).

The spelling of 161082 in words is "one hundred sixty-one thousand, eighty-two".