264541534013161 has 2 divisors, whose sum is σ = 264541534013162. Its totient is φ = 264541534013160.

The previous prime is 264541534013147. The next prime is 264541534013171. The reversal of 264541534013161 is 161310435145462.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 140679525505600 + 123862008507561 = 11860840^2 + 11129331^2 .

It is a cyclic number.

It is not a de Polignac number, because 264541534013161 - 2⁹ = 264541534012649 is a prime.

It is not a weakly prime, because it can be changed into another prime (264541534013171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132270767006580 + 132270767006581.

It is an arithmetic number, because the mean of its divisors is an integer number (132270767006581).

Almost surely, 2^{264541534013161} is an apocalyptic number.

It is an amenable number.

264541534013161 is a deficient number, since it is larger than the sum of its proper divisors (1).

264541534013161 is an equidigital number, since it uses as much as digits as its factorization.

264541534013161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1036800, while the sum is 46.

The spelling of 264541534013161 in words is "two hundred sixty-four trillion, five hundred forty-one billion, five hundred thirty-four million, thirteen thousand, one hundred sixty-one".