266076513 has 12 divisors (see below), whose sum is σ = 404561040. Its totient is φ = 168048216.

The previous prime is 266076491. The next prime is 266076527. The reversal of 266076513 is 315670662.

It is not a de Polignac number, because 266076513 - 2⁹ = 266076001 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (266076533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 777831 + ... + 778172.

It is an arithmetic number, because the mean of its divisors is an integer number (33713420).

Almost surely, 2^266076513 is an apocalyptic number.

It is an amenable number.

266076513 is a deficient number, since it is larger than the sum of its proper divisors (138484527).

266076513 is a wasteful number, since it uses less digits than its factorization.

266076513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1556028 (or 1556025 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 266076513 is about 16311.8519181606. The cubic root of 266076513 is about 643.1844164492.

The spelling of 266076513 in words is "two hundred sixty-six million, seventy-six thousand, five hundred thirteen".