266931098696 has 16 divisors (see below), whose sum is σ = 500505191340. Its totient is φ = 133463047680.

The previous prime is 266931098677. The next prime is 266931098699. The reversal of 266931098696 is 696890139662.

It can be written as a sum of positive squares in 2 ways, for example, as 242373074596 + 24558024100 = 492314^2 + 156710^2 .

It is a super-2 number, since 2×266931098696² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (266931098699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187916 + ... + 754436.

Almost surely, 2^266931098696 is an apocalyptic number.

It is an amenable number.

266931098696 is a deficient number, since it is larger than the sum of its proper divisors (233574092644).

266931098696 is a wasteful number, since it uses less digits than its factorization.

266931098696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625424 (or 625420 counting only the distinct ones).

The product of its (nonzero) digits is 45349632, while the sum is 65.

The spelling of 266931098696 in words is "two hundred sixty-six billion, nine hundred thirty-one million, ninety-eight thousand, six hundred ninety-six".