266775000538 has 16 divisors (see below), whose sum is σ = 422335116000. Its totient is φ = 126033676272.

The previous prime is 266775000529. The next prime is 266775000617. The reversal of 266775000538 is 835000577662.

It is a junction number, because it is equal to n+sod(n) for n = 266775000491 and 266775000500.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9247333 + ... + 9276136.

It is an arithmetic number, because the mean of its divisors is an integer number (26395944750).

Almost surely, 2^266775000538 is an apocalyptic number.

266775000538 is a deficient number, since it is larger than the sum of its proper divisors (155560115462).

266775000538 is a wasteful number, since it uses less digits than its factorization.

266775000538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18523869.

The product of its (nonzero) digits is 2116800, while the sum is 49.

The spelling of 266775000538 in words is "two hundred sixty-six billion, seven hundred seventy-five million, five hundred thirty-eight", and thus it is an aban number.