264960260161 has 2 divisors, whose sum is σ = 264960260162. Its totient is φ = 264960260160.

The previous prime is 264960260087. The next prime is 264960260219. The reversal of 264960260161 is 161062069462.

264960260161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 250360129600 + 14600130561 = 500360^2 + 120831^2 .

It is a cyclic number.

It is not a de Polignac number, because 264960260161 - 2⁹ = 264960259649 is a prime.

It is not a weakly prime, because it can be changed into another prime (264960260261) 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, 132480130080 + 132480130081.

It is an arithmetic number, because the mean of its divisors is an integer number (132480130081).

Almost surely, 2^264960260161 is an apocalyptic number.

It is an amenable number.

264960260161 is a deficient number, since it is larger than the sum of its proper divisors (1).

264960260161 is an equidigital number, since it uses as much as digits as its factorization.

264960260161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 186624, while the sum is 43.

The spelling of 264960260161 in words is "two hundred sixty-four billion, nine hundred sixty million, two hundred sixty thousand, one hundred sixty-one".