561846912 has 64 divisors (see below), whose sum is σ = 1628091360. Its totient is φ = 170255360.

The previous prime is 561846907. The next prime is 561846913. The reversal of 561846912 is 219648165.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (561846913) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62283 + ... + 70730.

Almost surely, 2^561846912 is an apocalyptic number.

It is an amenable number.

561846912 is an abundant number, since it is smaller than the sum of its proper divisors (1066244448).

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

561846912 is a wasteful number, since it uses less digits than its factorization.

561846912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133041 (or 133029 counting only the distinct ones).

The product of its digits is 103680, while the sum is 42.

The square root of 561846912 is about 23703.3101485847. The cubic root of 561846912 is about 825.1622145673.

The spelling of 561846912 in words is "five hundred sixty-one million, eight hundred forty-six thousand, nine hundred twelve".