264479161 has 2 divisors, whose sum is σ = 264479162. Its totient is φ = 264479160.

The previous prime is 264479143. The next prime is 264479179. The reversal of 264479161 is 161974462.

It is a balanced prime because it is at equal distance from previous prime (264479143) and next prime (264479179).

It can be written as a sum of positive squares in only one way, i.e., 247873536 + 16605625 = 15744^2 + 4075^2 .

It is a cyclic number.

It is not a de Polignac number, because 264479161 - 2²⁷ = 130261433 is a prime.

It is not a weakly prime, because it can be changed into another prime (264479141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132239580 + 132239581.

It is an arithmetic number, because the mean of its divisors is an integer number (132239581).

Almost surely, 2^264479161 is an apocalyptic number.

It is an amenable number.

264479161 is a deficient number, since it is larger than the sum of its proper divisors (1).

264479161 is an equidigital number, since it uses as much as digits as its factorization.

264479161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72576, while the sum is 40.

The square root of 264479161 is about 16262.8152851836. The cubic root of 264479161 is about 641.8947438910.

The spelling of 264479161 in words is "two hundred sixty-four million, four hundred seventy-nine thousand, one hundred sixty-one".