266813882145 has 48 divisors (see below), whose sum is σ = 483107264640. Its totient is φ = 141261957504.

The previous prime is 266813882143. The next prime is 266813882161. The reversal of 266813882145 is 541288318662.

It is not a de Polignac number, because 266813882145 - 2¹ = 266813882143 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 266813882091 and 266813882100.

It is not an unprimeable number, because it can be changed into a prime (266813882143) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 635005 + ... + 967914.

It is an arithmetic number, because the mean of its divisors is an integer number (10064734680).

Almost surely, 2^266813882145 is an apocalyptic number.

It is an amenable number.

266813882145 is a deficient number, since it is larger than the sum of its proper divisors (216293382495).

266813882145 is a wasteful number, since it uses less digits than its factorization.

266813882145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1603076 (or 1603064 counting only the distinct ones).

The product of its digits is 4423680, while the sum is 54.

The spelling of 266813882145 in words is "two hundred sixty-six billion, eight hundred thirteen million, eight hundred eighty-two thousand, one hundred forty-five".