561668775603708 has 24 divisors (see below), whose sum is σ = 1310676857194320. Its totient is φ = 187206299374720.

The previous prime is 561668775603673. The next prime is 561668775603713. The reversal of 561668775603708 is 807306577866165.

It is a self number, because there is not a number n which added to its sum of digits gives 561668775603708.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2078087553 + ... + 2078357816.

It is an arithmetic number, because the mean of its divisors is an integer number (54611535716430).

Almost surely, 2^{561668775603708} is an apocalyptic number.

It is an amenable number.

561668775603708 is an abundant number, since it is smaller than the sum of its proper divisors (749008081590612).

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

561668775603708 is a wasteful number, since it uses less digits than its factorization.

561668775603708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4156456637 (or 4156456635 counting only the distinct ones).

The product of its (nonzero) digits is 2133734400, while the sum is 75.

The spelling of 561668775603708 in words is "five hundred sixty-one trillion, six hundred sixty-eight billion, seven hundred seventy-five million, six hundred three thousand, seven hundred eight".