266664088896 has 28 divisors (see below), whose sum is σ = 705548735712. Its totient is φ = 88888029568.

The previous prime is 266664088819. The next prime is 266664088961. The reversal of 266664088896 is 698880466662.

It is a super-2 number, since 2×266664088896² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 266664088896.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 694437540 + ... + 694437923.

Almost surely, 2^266664088896 is an apocalyptic number.

It is an amenable number.

266664088896 is an abundant number, since it is smaller than the sum of its proper divisors (438884646816).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

266664088896 is a wasteful number, since it uses less digits than its factorization.

266664088896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1388875478 (or 1388875468 counting only the distinct ones).

The product of its (nonzero) digits is 286654464, while the sum is 69.

The spelling of 266664088896 in words is "two hundred sixty-six billion, six hundred sixty-four million, eighty-eight thousand, eight hundred ninety-six".