266962989896 has 16 divisors (see below), whose sum is σ = 530000053740.
Its totient is φ = 125629642240.
The previous prime is 266962989893. The next prime is 266962989919. The reversal of 266962989896 is 698989269662.
It can be written as a sum of positive squares in 2 ways, for example, as 266947888900 + 15100996 = 516670^2 + 3886^2
It is a self number, because there is not a number n which added to its sum of digits gives 266962989896.
It is not an unprimeable number, because it can be changed into a prime (266962989893) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 981481445 + ... + 981481716.
Almost surely, 2266962989896 is an apocalyptic number.
It is an amenable number.
266962989896 is a deficient number, since it is larger than the sum of its proper divisors (263037063844).
266962989896 is a wasteful number, since it uses less digits than its factorization.
266962989896 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1962963184 (or 1962963180 counting only the distinct ones).
The product of its digits is 2176782336, while the sum is 80.
The spelling of 266962989896 in words is "two hundred sixty-six billion, nine hundred sixty-two million, nine hundred eighty-nine thousand, eight hundred ninety-six".