161060556 has 24 divisors (see below), whose sum is σ = 385966000. Its totient is φ = 52235712.

The previous prime is 161060521. The next prime is 161060561. The reversal of 161060556 is 655060161.

161060556 = 1460² + 1461² + ... + 1531².

161060556 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 180931 + ... + 181818.

Almost surely, 2^161060556 is an apocalyptic number.

It is an amenable number.

161060556 is an abundant number, since it is smaller than the sum of its proper divisors (224905444).

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

161060556 is a wasteful number, since it uses less digits than its factorization.

161060556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362793 (or 362791 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 161060556 is about 12690.9635567990. The cubic root of 161060556 is about 544.0803793786.

The spelling of 161060556 in words is "one hundred sixty-one million, sixty thousand, five hundred fifty-six".