263506056600667 has 2 divisors, whose sum is σ = 263506056600668. Its totient is φ = 263506056600666.

The previous prime is 263506056600641. The next prime is 263506056600739. The reversal of 263506056600667 is 766006650605362.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 263506056600667 - 2⁴⁷ = 122768568245339 is a prime.

It is not a weakly prime, because it can be changed into another prime (263506056600467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131753028300333 + 131753028300334.

It is an arithmetic number, because the mean of its divisors is an integer number (131753028300334).

Almost surely, 2^{263506056600667} is an apocalyptic number.

263506056600667 is a deficient number, since it is larger than the sum of its proper divisors (1).

263506056600667 is an equidigital number, since it uses as much as digits as its factorization.

263506056600667 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48988800, while the sum is 58.

The spelling of 263506056600667 in words is "two hundred sixty-three trillion, five hundred six billion, fifty-six million, six hundred thousand, six hundred sixty-seven".