260166044213 has 2 divisors, whose sum is σ = 260166044214. Its totient is φ = 260166044212.

The previous prime is 260166044189. The next prime is 260166044231. The reversal of 260166044213 is 312440661062.

260166044213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (260166044231) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 219359216164 + 40806828049 = 468358^2 + 202007^2 .

It is a cyclic number.

It is not a de Polignac number, because 260166044213 - 2¹⁸ = 260165782069 is a prime.

It is a super-2 number, since 2×260166044213² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (260166044273) by changing a digit.

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 as a sum of consecutive naturals, namely, 130083022106 + 130083022107.

It is an arithmetic number, because the mean of its divisors is an integer number (130083022107).

Almost surely, 2^260166044213 is an apocalyptic number.

It is an amenable number.

260166044213 is a deficient number, since it is larger than the sum of its proper divisors (1).

260166044213 is an equidigital number, since it uses as much as digits as its factorization.

260166044213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 35.

The spelling of 260166044213 in words is "two hundred sixty billion, one hundred sixty-six million, forty-four thousand, two hundred thirteen".