161032 has 8 divisors (see below), whose sum is σ = 301950. Its totient is φ = 80512.

The previous prime is 161017. The next prime is 161033. The reversal of 161032 is 230161.

It can be written as a sum of positive squares in only one way, i.e., 106276 + 54756 = 326^2 + 234^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an alternating number because its digits alternate between odd and even.

It is a nialpdrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (161033) by changing a digit.

161032 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10057 + ... + 10072.

2¹⁶¹⁰³² is an apocalyptic number.

It is an amenable number.

161032 is a deficient number, since it is larger than the sum of its proper divisors (140918).

161032 is a wasteful number, since it uses less digits than its factorization.

161032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20135 (or 20131 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 161032 is about 401.2879265565. The cubic root of 161032 is about 54.4048222369.

Adding to 161032 its reverse (230161), we get a palindrome (391193).

The spelling of 161032 in words is "one hundred sixty-one thousand, thirty-two".