266008202641 has 2 divisors, whose sum is σ = 266008202642. Its totient is φ = 266008202640.

The previous prime is 266008202639. The next prime is 266008202651. The reversal of 266008202641 is 146202800662.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 135630158400 + 130378044241 = 368280^2 + 361079^2 .

It is a cyclic number.

It is not a de Polignac number, because 266008202641 - 2¹ = 266008202639 is a prime.

Together with 266008202639, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 266008202641.

It is not a weakly prime, because it can be changed into another prime (266008202611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133004101320 + 133004101321.

It is an arithmetic number, because the mean of its divisors is an integer number (133004101321).

Almost surely, 2^266008202641 is an apocalyptic number.

It is an amenable number.

266008202641 is a deficient number, since it is larger than the sum of its proper divisors (1).

266008202641 is an equidigital number, since it uses as much as digits as its factorization.

266008202641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 55296, while the sum is 37.

The spelling of 266008202641 in words is "two hundred sixty-six billion, eight million, two hundred two thousand, six hundred forty-one".