260616314663 has 2 divisors, whose sum is σ = 260616314664. Its totient is φ = 260616314662.

The previous prime is 260616314611. The next prime is 260616314671. The reversal of 260616314663 is 366413616062.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-260616314663 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (260616314963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130308157331 + 130308157332.

It is an arithmetic number, because the mean of its divisors is an integer number (130308157332).

Almost surely, 2^260616314663 is an apocalyptic number.

260616314663 is a deficient number, since it is larger than the sum of its proper divisors (1).

260616314663 is an equidigital number, since it uses as much as digits as its factorization.

260616314663 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 559872, while the sum is 44.

The spelling of 260616314663 in words is "two hundred sixty billion, six hundred sixteen million, three hundred fourteen thousand, six hundred sixty-three".