266285455568 has 20 divisors (see below), whose sum is σ = 562830622368. Its totient is φ = 121038843360.

The previous prime is 266285455549. The next prime is 266285455589. The reversal of 266285455568 is 865554582662.

It is a self number, because there is not a number n which added to its sum of digits gives 266285455568.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 756492596 + ... + 756492947.

Almost surely, 2^266285455568 is an apocalyptic number.

It is an amenable number.

266285455568 is an abundant number, since it is smaller than the sum of its proper divisors (296545166800).

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

266285455568 is a wasteful number, since it uses less digits than its factorization.

266285455568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1512985562 (or 1512985556 counting only the distinct ones).

The product of its digits is 138240000, while the sum is 62.

The spelling of 266285455568 in words is "two hundred sixty-six billion, two hundred eighty-five million, four hundred fifty-five thousand, five hundred sixty-eight".