266056510600 has 24 divisors (see below), whose sum is σ = 618581387610. Its totient is φ = 106422604160.

The previous prime is 266056510529. The next prime is 266056510627. The reversal of 266056510600 is 6015650662.

It can be written as a sum of positive squares in 3 ways, for example, as 256353866596 + 9702644004 = 506314^2 + 98502^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 266056510600.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 665141077 + ... + 665141476.

Almost surely, 2^266056510600 is an apocalyptic number.

266056510600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

266056510600 is an abundant number, since it is smaller than the sum of its proper divisors (352524877010).

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

266056510600 is a wasteful number, since it uses less digits than its factorization.

266056510600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1330282569 (or 1330282560 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 37.

The spelling of 266056510600 in words is "two hundred sixty-six billion, fifty-six million, five hundred ten thousand, six hundred".