161141560 has 16 divisors (see below), whose sum is σ = 362568600. Its totient is φ = 64456608.

The previous prime is 161141557. The next prime is 161141569. The reversal of 161141560 is 65141161.

161141560 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161141569) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2014230 + ... + 2014309.

Almost surely, 2^161141560 is an apocalyptic number.

161141560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

161141560 is an abundant number, since it is smaller than the sum of its proper divisors (201427040).

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

161141560 is a wasteful number, since it uses less digits than its factorization.

161141560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4028550 (or 4028546 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 161141560 is about 12694.1545602691. The cubic root of 161141560 is about 544.1715775829.

The spelling of 161141560 in words is "one hundred sixty-one million, one hundred forty-one thousand, five hundred sixty".