161080 has 16 divisors (see below), whose sum is σ = 362520. Its totient is φ = 64416.

The previous prime is 161071. The next prime is 161087. The reversal of 161080 is 80161.

161080 = T₆₉ + T₇₀ + ... + T₁₀₈.

161080 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is a congruent number.

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

161080 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, 1974 + ... + 2053.

2¹⁶¹⁰⁸⁰ is an apocalyptic number.

161080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

161080 is an abundant number, since it is smaller than the sum of its proper divisors (201440).

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

161080 is a wasteful number, since it uses less digits than its factorization.

161080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4038 (or 4034 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 161080 is about 401.3477295314. The cubic root of 161080 is about 54.4102273159.

The spelling of 161080 in words is "one hundred sixty-one thousand, eighty".