161760880 has 20 divisors (see below), whose sum is σ = 376094232. Its totient is φ = 64704320.

The previous prime is 161760877. The next prime is 161760917. The reversal of 161760880 is 88067161.

161760880 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1010926 + ... + 1011085.

Almost surely, 2^161760880 is an apocalyptic number.

161760880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

161760880 is an abundant number, since it is smaller than the sum of its proper divisors (214333352).

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

161760880 is a wasteful number, since it uses less digits than its factorization.

161760880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2022024 (or 2022018 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 37.

The square root of 161760880 is about 12718.5250717212. The cubic root of 161760880 is about 544.8678298017.

The spelling of 161760880 in words is "one hundred sixty-one million, seven hundred sixty thousand, eight hundred eighty".