16056600655577 has 2 divisors, whose sum is σ = 16056600655578. Its totient is φ = 16056600655576.

The previous prime is 16056600655561. The next prime is 16056600655583. The reversal of 16056600655577 is 77555600665061.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14039791674841 + 2016808980736 = 3746971^2 + 1420144^2 .

It is a cyclic number.

It is not a de Polignac number, because 16056600655577 - 2⁴ = 16056600655561 is a prime.

It is a super-2 number, since 2×16056600655577² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (16056600655177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8028300327788 + 8028300327789.

It is an arithmetic number, because the mean of its divisors is an integer number (8028300327789).

Almost surely, 2^{16056600655577} is an apocalyptic number.

It is an amenable number.

16056600655577 is a deficient number, since it is larger than the sum of its proper divisors (1).

16056600655577 is an equidigital number, since it uses as much as digits as its factorization.

16056600655577 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 39690000, while the sum is 59.

The spelling of 16056600655577 in words is "sixteen trillion, fifty-six billion, six hundred million, six hundred fifty-five thousand, five hundred seventy-seven".