561471673160 has 64 divisors (see below), whose sum is σ = 1338191694720. Its totient is φ = 211287813120.

The previous prime is 561471673141. The next prime is 561471673163. The reversal of 561471673160 is 61376174165.

It is a super-2 number, since 2×561471673160² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (561471673163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1438157 + ... + 1786403.

It is an arithmetic number, because the mean of its divisors is an integer number (20909245230).

Almost surely, 2^561471673160 is an apocalyptic number.

It is an amenable number.

561471673160 is an abundant number, since it is smaller than the sum of its proper divisors (776720021560).

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

561471673160 is a wasteful number, since it uses less digits than its factorization.

561471673160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350646 (or 350642 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 47.

The spelling of 561471673160 in words is "five hundred sixty-one billion, four hundred seventy-one million, six hundred seventy-three thousand, one hundred sixty".