266004213266325 has 24 divisors (see below), whose sum is σ = 465663846284928. Its totient is φ = 133523683521280.

The previous prime is 266004213266219. The next prime is 266004213266327. The reversal of 266004213266325 is 523662312400662.

It is not a de Polignac number, because 266004213266325 - 2²⁷ = 266004079048597 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266004213266327) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 104315376477 + ... + 104315379026.

It is an arithmetic number, because the mean of its divisors is an integer number (19402660261872).

Almost surely, 2^{266004213266325} is an apocalyptic number.

266004213266325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

266004213266325 is a deficient number, since it is larger than the sum of its proper divisors (199659633018603).

266004213266325 is a wasteful number, since it uses less digits than its factorization.

266004213266325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208630755533 (or 208630755528 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 48.

Adding to 266004213266325 its reverse (523662312400662), we get a palindrome (789666525666987).

The spelling of 266004213266325 in words is "two hundred sixty-six trillion, four billion, two hundred thirteen million, two hundred sixty-six thousand, three hundred twenty-five".