266962989892 has 24 divisors (see below), whose sum is σ = 468062471520. Its totient is φ = 133230968640.

The previous prime is 266962989871. The next prime is 266962989893. The reversal of 266962989892 is 298989269662.

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 7 ways as a sum of consecutive naturals, for example, 11565859 + ... + 11588917.

It is an arithmetic number, because the mean of its divisors is an integer number (19502602980).

Almost surely, 2^266962989892 is an apocalyptic number.

It is an amenable number.

266962989892 is a deficient number, since it is larger than the sum of its proper divisors (201099481628).

266962989892 is a wasteful number, since it uses less digits than its factorization.

266962989892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28371 (or 28369 counting only the distinct ones).

The product of its digits is 725594112, while the sum is 76.

The spelling of 266962989892 in words is "two hundred sixty-six billion, nine hundred sixty-two million, nine hundred eighty-nine thousand, eight hundred ninety-two".