263272103336161 has 2 divisors, whose sum is σ = 263272103336162. Its totient is φ = 263272103336160.

The previous prime is 263272103336131. The next prime is 263272103336237. The reversal of 263272103336161 is 161633301272362.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 237787780096161 + 25484323240000 = 15420369^2 + 5048200^2 .

It is a cyclic number.

It is not a de Polignac number, because 263272103336161 - 2¹⁹ = 263272102811873 is a prime.

It is not a weakly prime, because it can be changed into another prime (263272103336131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131636051668080 + 131636051668081.

It is an arithmetic number, because the mean of its divisors is an integer number (131636051668081).

Almost surely, 2^{263272103336161} is an apocalyptic number.

It is an amenable number.

263272103336161 is a deficient number, since it is larger than the sum of its proper divisors (1).

263272103336161 is an equidigital number, since it uses as much as digits as its factorization.

263272103336161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 979776, while the sum is 46.

The spelling of 263272103336161 in words is "two hundred sixty-three trillion, two hundred seventy-two billion, one hundred three million, three hundred thirty-six thousand, one hundred sixty-one".