260611667 has 2 divisors, whose sum is σ = 260611668. Its totient is φ = 260611666.

The previous prime is 260611639. The next prime is 260611693. The reversal of 260611667 is 766116062.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-260611667 is a prime.

It is not a weakly prime, because it can be changed into another prime (260611067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130305833 + 130305834.

It is an arithmetic number, because the mean of its divisors is an integer number (130305834).

Almost surely, 2^260611667 is an apocalyptic number.

260611667 is a deficient number, since it is larger than the sum of its proper divisors (1).

260611667 is an equidigital number, since it uses as much as digits as its factorization.

260611667 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 260611667 is about 16143.4713429299. The cubic root of 260611667 is about 638.7505465278.

The spelling of 260611667 in words is "two hundred sixty million, six hundred eleven thousand, six hundred sixty-seven".