161180 has 12 divisors (see below), whose sum is σ = 338520. Its totient is φ = 64464.

The previous prime is 161167. The next prime is 161201. The reversal of 161180 is 81161.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

161180 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, 4010 + ... + 4049.

It is an arithmetic number, because the mean of its divisors is an integer number (28210).

2¹⁶¹¹⁸⁰ is an apocalyptic number.

161180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

161180 is an abundant number, since it is smaller than the sum of its proper divisors (177340).

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

161180 is a wasteful number, since it uses less digits than its factorization.

161180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8068 (or 8066 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 17.

The square root of 161180 is about 401.4722904510. The cubic root of 161180 is about 54.4214844493.

The spelling of 161180 in words is "one hundred sixty-one thousand, one hundred eighty".