266666933328 has 160 divisors (see below), whose sum is σ = 700371840000. Its totient is φ = 87424386048.

The previous prime is 266666933321. The next prime is 266666933363. The reversal of 266666933328 is 823339666662.

266666933328 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×266666933328² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266666933321) 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 in 31 ways as a sum of consecutive naturals, for example, 534402423 + ... + 534402921.

It is an arithmetic number, because the mean of its divisors is an integer number (4377324000).

Almost surely, 2^266666933328 is an apocalyptic number.

It is an amenable number.

266666933328 is an abundant number, since it is smaller than the sum of its proper divisors (433704906672).

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

266666933328 is a wasteful number, since it uses less digits than its factorization.

266666933328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1249 (or 1243 counting only the distinct ones).

The product of its digits is 60466176, while the sum is 60.

The spelling of 266666933328 in words is "two hundred sixty-six billion, six hundred sixty-six million, nine hundred thirty-three thousand, three hundred twenty-eight".