266252475226 has 8 divisors (see below), whose sum is σ = 399381007284. Its totient is φ = 133125472800.

The previous prime is 266252475217. The next prime is 266252475257. The reversal of 266252475226 is 622574252662.

It can be written as a sum of positive squares in 2 ways, for example, as 236245574601 + 30006900625 = 486051^2 + 173225^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 266252475226.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 287376 + ... + 784276.

Almost surely, 2^266252475226 is an apocalyptic number.

266252475226 is a deficient number, since it is larger than the sum of its proper divisors (133128532058).

266252475226 is a wasteful number, since it uses less digits than its factorization.

266252475226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 764816.

The product of its digits is 4838400, while the sum is 49.

The spelling of 266252475226 in words is "two hundred sixty-six billion, two hundred fifty-two million, four hundred seventy-five thousand, two hundred twenty-six".