556607616673 has 4 divisors (see below), whose sum is σ = 561533347908. Its totient is φ = 551681885440.

The previous prime is 556607616599. The next prime is 556607616683. The reversal of 556607616673 is 376616706655.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 114824066449 + 441783550224 = 338857^2 + 664668^2 .

It is a cyclic number.

It is not a de Polignac number, because 556607616673 - 2¹³ = 556607608481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (556607616683) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2462865448 + ... + 2462865673.

It is an arithmetic number, because the mean of its divisors is an integer number (140383336977).

Almost surely, 2^556607616673 is an apocalyptic number.

It is an amenable number.

556607616673 is a deficient number, since it is larger than the sum of its proper divisors (4925731235).

556607616673 is a wasteful number, since it uses less digits than its factorization.

556607616673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4925731234.

The product of its (nonzero) digits is 28576800, while the sum is 58.

The spelling of 556607616673 in words is "five hundred fifty-six billion, six hundred seven million, six hundred sixteen thousand, six hundred seventy-three".