266065516 has 6 divisors (see below), whose sum is σ = 465614660. Its totient is φ = 133032756.

The previous prime is 266065511. The next prime is 266065561. The reversal of 266065516 is 615560662.

It is not an unprimeable number, because it can be changed into a prime (266065511) 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 as a sum of consecutive naturals, namely, 33258186 + ... + 33258193.

Almost surely, 2^266065516 is an apocalyptic number.

It is an amenable number.

266065516 is a deficient number, since it is larger than the sum of its proper divisors (199549144).

266065516 is a wasteful number, since it uses less digits than its factorization.

266065516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66516383 (or 66516381 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 37.

The square root of 266065516 is about 16311.5148284885. The cubic root of 266065516 is about 643.1755553433.

The spelling of 266065516 in words is "two hundred sixty-six million, sixty-five thousand, five hundred sixteen".