266153063200664 has 64 divisors (see below), whose sum is σ = 503331652404000. Its totient is φ = 131937823125504.

The previous prime is 266153063200649. The next prime is 266153063200699. The reversal of 266153063200664 is 466002360351662.

It is a congruent number.

It is an unprimeable number.

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, 341605754 + ... + 342383990.

Almost surely, 2^{266153063200664} is an apocalyptic number.

It is an amenable number.

266153063200664 is a deficient number, since it is larger than the sum of its proper divisors (237178589203336).

266153063200664 is a wasteful number, since it uses less digits than its factorization.

266153063200664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 779292 (or 779288 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 50.

The spelling of 266153063200664 in words is "two hundred sixty-six trillion, one hundred fifty-three billion, sixty-three million, two hundred thousand, six hundred sixty-four".