266404056068 has 12 divisors (see below), whose sum is σ = 481246036992. Its totient is φ = 128905188360.

The previous prime is 266404056053. The next prime is 266404056073. The reversal of 266404056068 is 860650404662.

It is a super-2 number, since 2×266404056068² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

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, 1074209780 + ... + 1074210027.

It is an arithmetic number, because the mean of its divisors is an integer number (40103836416).

Almost surely, 2^266404056068 is an apocalyptic number.

It is an amenable number.

266404056068 is a deficient number, since it is larger than the sum of its proper divisors (214841980924).

266404056068 is a wasteful number, since it uses less digits than its factorization.

266404056068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2148419842 (or 2148419840 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 47.

The spelling of 266404056068 in words is "two hundred sixty-six billion, four hundred four million, fifty-six thousand, sixty-eight".