266000718133 has 4 divisors (see below), whose sum is σ = 266002023820. Its totient is φ = 265999412448.

The previous prime is 266000718103. The next prime is 266000718157. The reversal of 266000718133 is 331817000662.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 114580896004 + 151419822129 = 338498^2 + 389127^2 .

It is a cyclic number.

It is not a de Polignac number, because 266000718133 - 2⁵ = 266000718101 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 266000718092 and 266000718101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266000718103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 273960 + ... + 779137.

It is an arithmetic number, because the mean of its divisors is an integer number (66500505955).

Almost surely, 2^266000718133 is an apocalyptic number.

It is an amenable number.

266000718133 is a deficient number, since it is larger than the sum of its proper divisors (1305687).

266000718133 is a wasteful number, since it uses less digits than its factorization.

266000718133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1305686.

The product of its (nonzero) digits is 36288, while the sum is 37.

Adding to 266000718133 its reverse (331817000662), we get a palindrome (597817718795).

The spelling of 266000718133 in words is "two hundred sixty-six billion, seven hundred eighteen thousand, one hundred thirty-three".