266617227282 has 96 divisors (see below), whose sum is σ = 626938002816. Its totient is φ = 74044661760.

The previous prime is 266617227229. The next prime is 266617227301. The reversal of 266617227282 is 282722716662.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19549938 + ... + 19563570.

It is an arithmetic number, because the mean of its divisors is an integer number (6530604196).

Almost surely, 2^266617227282 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 266617227282, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (313469001408).

266617227282 is an abundant number, since it is smaller than the sum of its proper divisors (360320775534).

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

266617227282 is a wasteful number, since it uses less digits than its factorization.

266617227282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14004 (or 13963 counting only the distinct ones).

The product of its digits is 2709504, while the sum is 51.

The spelling of 266617227282 in words is "two hundred sixty-six billion, six hundred seventeen million, two hundred twenty-seven thousand, two hundred eighty-two".