266006664252126 has 48 divisors (see below), whose sum is σ = 658685988496224. Its totient is φ = 76001578702272.

The previous prime is 266006664252113. The next prime is 266006664252151. The reversal of 266006664252126 is 621252466600662.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25835536 + ... + 34633628.

It is an arithmetic number, because the mean of its divisors is an integer number (13722624760338).

Almost surely, 2^{266006664252126} is an apocalyptic number.

266006664252126 is an abundant number, since it is smaller than the sum of its proper divisors (392679324244098).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

266006664252126 is a wasteful number, since it uses less digits than its factorization.

266006664252126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9038065 (or 9038062 counting only the distinct ones).

The product of its (nonzero) digits is 14929920, while the sum is 54.

The spelling of 266006664252126 in words is "two hundred sixty-six trillion, six billion, six hundred sixty-four million, two hundred fifty-two thousand, one hundred twenty-six".