266046335656105 has 8 divisors (see below), whose sum is σ = 319255724198664. Its totient is φ = 212836987584000.

The previous prime is 266046335656067. The next prime is 266046335656169. The reversal of 266046335656105 is 501656533640662.

It can be written as a sum of positive squares in 4 ways, for example, as 2423442541081 + 263622893115024 = 1556741^2 + 16236468^2 .

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

It is not a de Polignac number, because 266046335656105 - 2¹⁹ = 266046335131817 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 266046335656105.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6967705 + ... + 24096505.

It is an arithmetic number, because the mean of its divisors is an integer number (39906965524833).

Almost surely, 2^{266046335656105} is an apocalyptic number.

It is an amenable number.

266046335656105 is a deficient number, since it is larger than the sum of its proper divisors (53209388542559).

266046335656105 is a wasteful number, since it uses less digits than its factorization.

266046335656105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20235227.

The product of its (nonzero) digits is 69984000, while the sum is 58.

The spelling of 266046335656105 in words is "two hundred sixty-six trillion, forty-six billion, three hundred thirty-five million, six hundred fifty-six thousand, one hundred five".