561317416 has 16 divisors (see below), whose sum is σ = 1148149440. Its totient is φ = 255144240.

The previous prime is 561317401. The next prime is 561317423. The reversal of 561317416 is 614713165.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3189216 + ... + 3189391.

It is an arithmetic number, because the mean of its divisors is an integer number (71759340).

Almost surely, 2^561317416 is an apocalyptic number.

It is an amenable number.

561317416 is an abundant number, since it is smaller than the sum of its proper divisors (586832024).

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

561317416 is a wasteful number, since it uses less digits than its factorization.

561317416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6378624 (or 6378620 counting only the distinct ones).

The product of its digits is 15120, while the sum is 34.

The square root of 561317416 is about 23692.1382741195. The cubic root of 561317416 is about 824.9029165221.

The spelling of 561317416 in words is "five hundred sixty-one million, three hundred seventeen thousand, four hundred sixteen".