561170670 has 16 divisors (see below), whose sum is σ = 1346809680. Its totient is φ = 149645504.

The previous prime is 561170633. The next prime is 561170671. The reversal of 561170670 is 76071165.

561170670 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561170671) 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, 9352815 + ... + 9352874.

It is an arithmetic number, because the mean of its divisors is an integer number (84175605).

Almost surely, 2^561170670 is an apocalyptic number.

561170670 is an abundant number, since it is smaller than the sum of its proper divisors (785639010).

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

561170670 is a wasteful number, since it uses less digits than its factorization.

561170670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18705699.

The product of its (nonzero) digits is 8820, while the sum is 33.

The square root of 561170670 is about 23689.0411372010. The cubic root of 561170670 is about 824.8310250810.

The spelling of 561170670 in words is "five hundred sixty-one million, one hundred seventy thousand, six hundred seventy".