260666167 has 2 divisors, whose sum is σ = 260666168. Its totient is φ = 260666166.

The previous prime is 260666101. The next prime is 260666171. The reversal of 260666167 is 761666062.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 260666167 - 2⁷ = 260666039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (260664167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130333083 + 130333084.

It is an arithmetic number, because the mean of its divisors is an integer number (130333084).

Almost surely, 2^260666167 is an apocalyptic number.

260666167 is a deficient number, since it is larger than the sum of its proper divisors (1).

260666167 is an equidigital number, since it uses as much as digits as its factorization.

260666167 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 40.

The square root of 260666167 is about 16145.1592435628. The cubic root of 260666167 is about 638.7950693214.

The spelling of 260666167 in words is "two hundred sixty million, six hundred sixty-six thousand, one hundred sixty-seven".