556501666753 has 2 divisors, whose sum is σ = 556501666754. Its totient is φ = 556501666752.

The previous prime is 556501666751. The next prime is 556501666757. The reversal of 556501666753 is 357666105655.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 358074182449 + 198427484304 = 598393^2 + 445452^2 .

It is a cyclic number.

It is not a de Polignac number, because 556501666753 - 2¹ = 556501666751 is a prime.

Together with 556501666751, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 556501666694 and 556501666703.

It is not a weakly prime, because it can be changed into another prime (556501666751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278250833376 + 278250833377.

It is an arithmetic number, because the mean of its divisors is an integer number (278250833377).

Almost surely, 2^556501666753 is an apocalyptic number.

It is an amenable number.

556501666753 is a deficient number, since it is larger than the sum of its proper divisors (1).

556501666753 is an equidigital number, since it uses as much as digits as its factorization.

556501666753 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17010000, while the sum is 55.

The spelling of 556501666753 in words is "five hundred fifty-six billion, five hundred one million, six hundred sixty-six thousand, seven hundred fifty-three".