2666001167 has 2 divisors, whose sum is σ = 2666001168. Its totient is φ = 2666001166.

The previous prime is 2666001127. The next prime is 2666001241. The reversal of 2666001167 is 7611006662.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2666001167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2666001127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1333000583 + 1333000584.

It is an arithmetic number, because the mean of its divisors is an integer number (1333000584).

Almost surely, 2^2666001167 is an apocalyptic number.

2666001167 is a deficient number, since it is larger than the sum of its proper divisors (1).

2666001167 is an equidigital number, since it uses as much as digits as its factorization.

2666001167 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 2666001167 is about 51633.3338745427. Note that the first 3 decimals coincide. The cubic root of 2666001167 is about 1386.6071811794.

The spelling of 2666001167 in words is "two billion, six hundred sixty-six million, one thousand, one hundred sixty-seven".