260466161 has 2 divisors, whose sum is σ = 260466162. Its totient is φ = 260466160.

The previous prime is 260466137. The next prime is 260466169. The reversal of 260466161 is 161664062.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 223681936 + 36784225 = 14956^2 + 6065^2 .

It is a cyclic number.

It is not a de Polignac number, because 260466161 - 2⁶ = 260466097 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (260466169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130233080 + 130233081.

It is an arithmetic number, because the mean of its divisors is an integer number (130233081).

Almost surely, 2^260466161 is an apocalyptic number.

It is an amenable number.

260466161 is a deficient number, since it is larger than the sum of its proper divisors (1).

260466161 is an equidigital number, since it uses as much as digits as its factorization.

260466161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 260466161 is about 16138.9640621695. The cubic root of 260466161 is about 638.6316476046.

The spelling of 260466161 in words is "two hundred sixty million, four hundred sixty-six thousand, one hundred sixty-one".