161382 has 16 divisors (see below), whose sum is σ = 347760. Its totient is φ = 49632.

The previous prime is 161377. The next prime is 161387. The reversal of 161382 is 283161.

It is an interprime number because it is at equal distance from previous prime (161377) and next prime (161387).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161387) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 957 + ... + 1112.

It is an arithmetic number, because the mean of its divisors is an integer number (21735).

2¹⁶¹³⁸² is an apocalyptic number.

161382 is an abundant number, since it is smaller than the sum of its proper divisors (186378).

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

161382 is a wasteful number, since it uses less digits than its factorization.

161382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2087.

The product of its digits is 288, while the sum is 21.

The square root of 161382 is about 401.7237857036. The cubic root of 161382 is about 54.4442096647. Note that the first 3 decimals are identical.

The spelling of 161382 in words is "one hundred sixty-one thousand, three hundred eighty-two".