1306382566336 has 56 divisors (see below), whose sum is σ = 2694494209680. Its totient is φ = 627880292352.

The previous prime is 1306382566319. The next prime is 1306382566337. The reversal of 1306382566336 is 6336652836031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1306382566337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3126841 + ... + 3519928.

It is an arithmetic number, because the mean of its divisors is an integer number (48115968030).

Almost surely, 2^{1306382566336} is an apocalyptic number.

1306382566336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1306382566336 is an abundant number, since it is smaller than the sum of its proper divisors (1388111643344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1306382566336 is an equidigital number, since it uses as much as digits as its factorization.

1306382566336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6646901 (or 6646891 counting only the distinct ones).

The product of its (nonzero) digits is 8398080, while the sum is 52.

The spelling of 1306382566336 in words is "one trillion, three hundred six billion, three hundred eighty-two million, five hundred sixty-six thousand, three hundred thirty-six".