161120560 has 40 divisors (see below), whose sum is σ = 396644256. Its totient is φ = 60656640.

The previous prime is 161120537. The next prime is 161120593. The reversal of 161120560 is 65021161.

161120560 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 (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57876 + ... + 60595.

Almost surely, 2^161120560 is an apocalyptic number.

161120560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

161120560 is an abundant number, since it is smaller than the sum of its proper divisors (235523696).

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

161120560 is a wasteful number, since it uses less digits than its factorization.

161120560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118501 (or 118495 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 161120560 is about 12693.3273809510. The cubic root of 161120560 is about 544.1479377067.

The spelling of 161120560 in words is "one hundred sixty-one million, one hundred twenty thousand, five hundred sixty".