561672708028 has 6 divisors (see below), whose sum is σ = 982927239056. Its totient is φ = 280836354012.

The previous prime is 561672707963. The next prime is 561672708053. The reversal of 561672708028 is 820807276165.

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, 70209088500 + ... + 70209088507.

Almost surely, 2^561672708028 is an apocalyptic number.

It is an amenable number.

561672708028 is a deficient number, since it is larger than the sum of its proper divisors (421254531028).

561672708028 is a wasteful number, since it uses less digits than its factorization.

561672708028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140418177011 (or 140418177009 counting only the distinct ones).

The product of its (nonzero) digits is 2257920, while the sum is 52.

The spelling of 561672708028 in words is "five hundred sixty-one billion, six hundred seventy-two million, seven hundred eight thousand, twenty-eight".