561058366 has 24 divisors (see below), whose sum is σ = 965279952. Its totient is φ = 243936000.

The previous prime is 561058357. The next prime is 561058373. The reversal of 561058366 is 663850165.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44835 + ... + 55966.

It is an arithmetic number, because the mean of its divisors is an integer number (40219998).

Almost surely, 2^561058366 is an apocalyptic number.

561058366 is a deficient number, since it is larger than the sum of its proper divisors (404221586).

561058366 is a wasteful number, since it uses less digits than its factorization.

561058366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100848 (or 100837 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 40.

The square root of 561058366 is about 23686.6706398345. The cubic root of 561058366 is about 824.7759984445.

The spelling of 561058366 in words is "five hundred sixty-one million, fifty-eight thousand, three hundred sixty-six".