266782223832 has 16 divisors (see below), whose sum is σ = 666955559640. Its totient is φ = 88927407936.

The previous prime is 266782223831. The next prime is 266782223837. The reversal of 266782223832 is 238322287662.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266782223831) 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 3 ways as a sum of consecutive naturals, for example, 5557962973 + ... + 5557963020.

Almost surely, 2^266782223832 is an apocalyptic number.

It is an amenable number.

266782223832 is an abundant number, since it is smaller than the sum of its proper divisors (400173335808).

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

266782223832 is a wasteful number, since it uses less digits than its factorization.

266782223832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11115926002 (or 11115925998 counting only the distinct ones).

The product of its digits is 4644864, while the sum is 51.

The spelling of 266782223832 in words is "two hundred sixty-six billion, seven hundred eighty-two million, two hundred twenty-three thousand, eight hundred thirty-two".