561992130 has 96 divisors (see below), whose sum is σ = 1674691200. Its totient is φ = 128088576.

The previous prime is 561992117. The next prime is 561992147. The reversal of 561992130 is 31299165.

561992130 is a `hidden beast` number, since 5 + 619 + 9 + 2 + 1 + 30 = 666.

561992130 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 47 ways as a sum of consecutive naturals, for example, 262906 + ... + 265034.

It is an arithmetic number, because the mean of its divisors is an integer number (17444700).

Almost surely, 2^561992130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 561992130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (837345600).

561992130 is an abundant number, since it is smaller than the sum of its proper divisors (1112699070).

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

561992130 is a wasteful number, since it uses less digits than its factorization.

561992130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2568 (or 2565 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 36.

The square root of 561992130 is about 23706.3731937216. The cubic root of 561992130 is about 825.2333004103.

The spelling of 561992130 in words is "five hundred sixty-one million, nine hundred ninety-two thousand, one hundred thirty".