561913416 has 32 divisors (see below), whose sum is σ = 1560871200. Its totient is φ = 187304400.

The previous prime is 561913411. The next prime is 561913433. The reversal of 561913416 is 614319165.

561913416 is a `hidden beast` number, since 5 + 619 + 1 + 34 + 1 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (561913411) 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, 1300510 + ... + 1300941.

It is an arithmetic number, because the mean of its divisors is an integer number (48777225).

Almost surely, 2^561913416 is an apocalyptic number.

It is an amenable number.

561913416 is an abundant number, since it is smaller than the sum of its proper divisors (998957784).

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

561913416 is a wasteful number, since it uses less digits than its factorization.

561913416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2601466 (or 2601456 counting only the distinct ones).

The product of its digits is 19440, while the sum is 36.

The square root of 561913416 is about 23704.7129491163. The cubic root of 561913416 is about 825.1947705428.

The spelling of 561913416 in words is "five hundred sixty-one million, nine hundred thirteen thousand, four hundred sixteen".