56016066709 has 2 divisors, whose sum is σ = 56016066710. Its totient is φ = 56016066708.

The previous prime is 56016066677. The next prime is 56016066719. The reversal of 56016066709 is 90766061065.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30968256484 + 25047810225 = 175978^2 + 158265^2 .

It is a cyclic number.

It is not a de Polignac number, because 56016066709 - 2⁵ = 56016066677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56016066719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28008033354 + 28008033355.

It is an arithmetic number, because the mean of its divisors is an integer number (28008033355).

Almost surely, 2^56016066709 is an apocalyptic number.

It is an amenable number.

56016066709 is a deficient number, since it is larger than the sum of its proper divisors (1).

56016066709 is an equidigital number, since it uses as much as digits as its factorization.

56016066709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 408240, while the sum is 46.

The spelling of 56016066709 in words is "fifty-six billion, sixteen million, sixty-six thousand, seven hundred nine".