561165116 has 6 divisors (see below), whose sum is σ = 982038960. Its totient is φ = 280582556.

The previous prime is 561165097. The next prime is 561165151. The reversal of 561165116 is 611561165.

561165116 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 an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70145636 + ... + 70145643.

It is an arithmetic number, because the mean of its divisors is an integer number (163673160).

Almost surely, 2^561165116 is an apocalyptic number.

It is an amenable number.

561165116 is a deficient number, since it is larger than the sum of its proper divisors (420873844).

561165116 is a wasteful number, since it uses less digits than its factorization.

561165116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140291283 (or 140291281 counting only the distinct ones).

The product of its digits is 5400, while the sum is 32.

The square root of 561165116 is about 23688.9239097094. The cubic root of 561165116 is about 824.8283039085.

The spelling of 561165116 in words is "five hundred sixty-one million, one hundred sixty-five thousand, one hundred sixteen".