266006043 has 12 divisors (see below), whose sum is σ = 390744120. Its totient is φ = 174331296.

The previous prime is 266006033. The next prime is 266006047. The reversal of 266006043 is 340600662.

It is a de Polignac number, because none of the positive numbers 2^k-266006043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 266005998 and 266006016.

It is not an unprimeable number, because it can be changed into a prime (266006047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 249946 + ... + 251007.

It is an arithmetic number, because the mean of its divisors is an integer number (32562010).

Almost surely, 2^266006043 is an apocalyptic number.

266006043 is a deficient number, since it is larger than the sum of its proper divisors (124738077).

266006043 is a wasteful number, since it uses less digits than its factorization.

266006043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501018 (or 501015 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 266006043 is about 16309.6916892993. The cubic root of 266006043 is about 643.1276292650.

The spelling of 266006043 in words is "two hundred sixty-six million, six thousand, forty-three".