556560665065 has 8 divisors (see below), whose sum is σ = 667986979968. Its totient is φ = 445172410800.

The previous prime is 556560665057. The next prime is 556560665093. The reversal of 556560665065 is 560566065655.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 556560665065 - 2³ = 556560665057 is a prime.

It is a super-2 number, since 2×556560665065² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 556560664997 and 556560665015.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9482977 + ... + 9541486.

It is an arithmetic number, because the mean of its divisors is an integer number (83498372496).

Almost surely, 2^556560665065 is an apocalyptic number.

It is an amenable number.

556560665065 is a deficient number, since it is larger than the sum of its proper divisors (111426314903).

556560665065 is a wasteful number, since it uses less digits than its factorization.

556560665065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19030319.

The product of its (nonzero) digits is 24300000, while the sum is 55.

The spelling of 556560665065 in words is "five hundred fifty-six billion, five hundred sixty million, six hundred sixty-five thousand, sixty-five".