266008665363 has 16 divisors (see below), whose sum is σ = 405368979456. Its totient is φ = 151996536000.

The previous prime is 266008665271. The next prime is 266008665379. The reversal of 266008665363 is 363566800662.

It is a happy number.

It is not a de Polignac number, because 266008665363 - 2¹⁶ = 266008599827 is a prime.

It is a super-2 number, since 2×266008665363² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (266008665863) 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 15 ways as a sum of consecutive naturals, for example, 48238 + ... + 730988.

It is an arithmetic number, because the mean of its divisors is an integer number (25335561216).

Almost surely, 2^266008665363 is an apocalyptic number.

266008665363 is a deficient number, since it is larger than the sum of its proper divisors (139360314093).

266008665363 is a wasteful number, since it uses less digits than its factorization.

266008665363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 701314.

The product of its (nonzero) digits is 5598720, while the sum is 51.

The spelling of 266008665363 in words is "two hundred sixty-six billion, eight million, six hundred sixty-five thousand, three hundred sixty-three".