266036816 has 10 divisors (see below), whose sum is σ = 515446362. Its totient is φ = 133018400.

The previous prime is 266036789. The next prime is 266036819. The reversal of 266036816 is 618630662.

266036816 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 243984400 + 22052416 = 15620^2 + 4696^2 .

It is a nialpdrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 266036816.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266036819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8313635 + ... + 8313666.

Almost surely, 2^266036816 is an apocalyptic number.

It is an amenable number.

266036816 is a deficient number, since it is larger than the sum of its proper divisors (249409546).

266036816 is a wasteful number, since it uses less digits than its factorization.

266036816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16627309 (or 16627303 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 266036816 is about 16310.6350581453. The cubic root of 266036816 is about 643.1524284553.

The spelling of 266036816 in words is "two hundred sixty-six million, thirty-six thousand, eight hundred sixteen".