161332 has 12 divisors (see below), whose sum is σ = 288036. Its totient is φ = 79040.

The previous prime is 161323. The next prime is 161333. The reversal of 161332 is 233161.

161332 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 41616 + 119716 = 204^2 + 346^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161333) by changing a digit.

161332 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 3 ways as a sum of consecutive naturals, for example, 169 + ... + 592.

It is an arithmetic number, because the mean of its divisors is an integer number (24003).

2¹⁶¹³³² is an apocalyptic number.

It is an amenable number.

161332 is a deficient number, since it is larger than the sum of its proper divisors (126704).

161332 is a wasteful number, since it uses less digits than its factorization.

161332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 818 (or 816 counting only the distinct ones).

The product of its digits is 108, while the sum is 16.

The square root of 161332 is about 401.6615490684. The cubic root of 161332 is about 54.4385863782.

Adding to 161332 its reverse (233161), we get a palindrome (394493).

It can be divided in two parts, 16 and 1332, that multiplied together give a palindrome (21312).

The spelling of 161332 in words is "one hundred sixty-one thousand, three hundred thirty-two".