266004353562105 has 8 divisors (see below), whose sum is σ = 425606965699392. Its totient is φ = 141868988566448.

The previous prime is 266004353562067. The next prime is 266004353562107. The reversal of 266004353562105 is 501265353400662.

It is a happy number.

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 266004353562105 - 2¹⁰ = 266004353561081 is a prime.

It is a super-2 number, since 2×266004353562105² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (266004353562107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8866811785389 + ... + 8866811785418.

It is an arithmetic number, because the mean of its divisors is an integer number (53200870712424).

Almost surely, 2^{266004353562105} is an apocalyptic number.

It is an amenable number.

266004353562105 is a deficient number, since it is larger than the sum of its proper divisors (159602612137287).

266004353562105 is a wasteful number, since it uses less digits than its factorization.

266004353562105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17733623570815.

The product of its (nonzero) digits is 3888000, while the sum is 48.

The spelling of 266004353562105 in words is "two hundred sixty-six trillion, four billion, three hundred fifty-three million, five hundred sixty-two thousand, one hundred five".