260163267311777 has 2 divisors, whose sum is σ = 260163267311778. Its totient is φ = 260163267311776.

The previous prime is 260163267311671. The next prime is 260163267311789. The reversal of 260163267311777 is 777113762361062.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 163308361574656 + 96854905737121 = 12779216^2 + 9841489^2 .

It is a cyclic number.

It is not a de Polignac number, because 260163267311777 - 2¹⁶ = 260163267246241 is a prime.

It is not a weakly prime, because it can be changed into another prime (260163267319777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130081633655888 + 130081633655889.

It is an arithmetic number, because the mean of its divisors is an integer number (130081633655889).

Almost surely, 2^{260163267311777} is an apocalyptic number.

It is an amenable number.

260163267311777 is a deficient number, since it is larger than the sum of its proper divisors (1).

260163267311777 is an equidigital number, since it uses as much as digits as its factorization.

260163267311777 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18670176, while the sum is 59.

The spelling of 260163267311777 in words is "two hundred sixty trillion, one hundred sixty-three billion, two hundred sixty-seven million, three hundred eleven thousand, seven hundred seventy-seven".