266782223382 has 64 divisors (see below), whose sum is σ = 540673056000. Its totient is φ = 87751639040.

The previous prime is 266782223381. The next prime is 266782223399. The reversal of 266782223382 is 283322287662.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266782223381) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 211899469 + ... + 211900727.

It is an arithmetic number, because the mean of its divisors is an integer number (8448016500).

Almost surely, 2^266782223382 is an apocalyptic number.

266782223382 is an abundant number, since it is smaller than the sum of its proper divisors (273890832618).

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

266782223382 is a wasteful number, since it uses less digits than its factorization.

266782223382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2701.

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

The spelling of 266782223382 in words is "two hundred sixty-six billion, seven hundred eighty-two million, two hundred twenty-three thousand, three hundred eighty-two".