266001163 has 2 divisors, whose sum is σ = 266001164. Its totient is φ = 266001162.

The previous prime is 266001143. The next prime is 266001191. The reversal of 266001163 is 361100662.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 266001163 - 2¹⁷ = 265870091 is a prime.

It is not a weakly prime, because it can be changed into another prime (266001143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133000581 + 133000582.

It is an arithmetic number, because the mean of its divisors is an integer number (133000582).

Almost surely, 2^266001163 is an apocalyptic number.

266001163 is a deficient number, since it is larger than the sum of its proper divisors (1).

266001163 is an equidigital number, since it uses as much as digits as its factorization.

266001163 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 266001163 is about 16309.5420843137. The cubic root of 266001163 is about 643.1236964195.

The spelling of 266001163 in words is "two hundred sixty-six million, one thousand, one hundred sixty-three".