266228813829 has 8 divisors (see below), whose sum is σ = 387241911072. Its totient is φ = 161350796240.

The previous prime is 266228813821. The next prime is 266228813861. The reversal of 266228813829 is 928318822662.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 266228813829 - 2³ = 266228813821 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266228813821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4033769874 + ... + 4033769939.

It is an arithmetic number, because the mean of its divisors is an integer number (48405238884).

Almost surely, 2^266228813829 is an apocalyptic number.

It is an amenable number.

266228813829 is a deficient number, since it is larger than the sum of its proper divisors (121013097243).

266228813829 is a wasteful number, since it uses less digits than its factorization.

266228813829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8067539827.

The product of its digits is 7962624, while the sum is 57.

The spelling of 266228813829 in words is "two hundred sixty-six billion, two hundred twenty-eight million, eight hundred thirteen thousand, eight hundred twenty-nine".