1306066505266 has 32 divisors (see below), whose sum is σ = 1978461135360. Its totient is φ = 646612626816.

The previous prime is 1306066505257. The next prime is 1306066505287. The reversal of 1306066505266 is 6625056606031.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108444241 + ... + 108456283.

It is an arithmetic number, because the mean of its divisors is an integer number (61826910480).

Almost surely, 2^{1306066505266} is an apocalyptic number.

1306066505266 is a deficient number, since it is larger than the sum of its proper divisors (672394630094).

1306066505266 is a wasteful number, since it uses less digits than its factorization.

1306066505266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13378.

The product of its (nonzero) digits is 1166400, while the sum is 46.

The spelling of 1306066505266 in words is "one trillion, three hundred six billion, sixty-six million, five hundred five thousand, two hundred sixty-six".