561832167520 has 192 divisors, whose sum is σ = 1525863951360. Its totient is φ = 193758566400.

The previous prime is 561832167451. The next prime is 561832167541. The reversal of 561832167520 is 25761238165.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 2705805 + ... + 2906035.

It is an arithmetic number, because the mean of its divisors is an integer number (7947208080).

Almost surely, 2^561832167520 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 561832167520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (762931975680).

561832167520 is an abundant number, since it is smaller than the sum of its proper divisors (964031783840).

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

561832167520 is a wasteful number, since it uses less digits than its factorization.

561832167520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200349 (or 200341 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 46.

The spelling of 561832167520 in words is "five hundred sixty-one billion, eight hundred thirty-two million, one hundred sixty-seven thousand, five hundred twenty".