1306066363216 has 10 divisors (see below), whose sum is σ = 2530503578762. Its totient is φ = 653033181600.

The previous prime is 1306066363213. The next prime is 1306066363247. The reversal of 1306066363216 is 6123636606031.

It can be written as a sum of positive squares in only one way, i.e., 931649648400 + 374416714816 = 965220^2 + 611896^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1306066363213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40814573835 + ... + 40814573866.

Almost surely, 2^{1306066363216} is an apocalyptic number.

1306066363216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1306066363216 is a deficient number, since it is larger than the sum of its proper divisors (1224437215546).

1306066363216 is an equidigital number, since it uses as much as digits as its factorization.

1306066363216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81629147709 (or 81629147703 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 43.

The spelling of 1306066363216 in words is "one trillion, three hundred six billion, sixty-six million, three hundred sixty-three thousand, two hundred sixteen".