1306055216165 has 16 divisors (see below), whose sum is σ = 1827715756800. Its totient is φ = 895580718480.

The previous prime is 1306055216149. The next prime is 1306055216183. The reversal of 1306055216165 is 5616125506031.

It is not a de Polignac number, because 1306055216165 - 2⁴ = 1306055216149 is a prime.

It is a congruent number.

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, 380772401 + ... + 380775830.

It is an arithmetic number, because the mean of its divisors is an integer number (114232234800).

Almost surely, 2^{1306055216165} is an apocalyptic number.

It is an amenable number.

1306055216165 is a deficient number, since it is larger than the sum of its proper divisors (521660540635).

1306055216165 is an frugal number, since it uses more digits than its factorization.

1306055216165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 761548257 (or 761548243 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 41.

The spelling of 1306055216165 in words is "one trillion, three hundred six billion, fifty-five million, two hundred sixteen thousand, one hundred sixty-five".