1366803346045 has 8 divisors (see below), whose sum is σ = 1640506243896. Its totient is φ = 1093214524416.

The previous prime is 1366803346021. The next prime is 1366803346067. The reversal of 1366803346045 is 5406433086631.

It can be written as a sum of positive squares in 4 ways, for example, as 819361694596 + 547441651449 = 905186^2 + 739893^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1366803346045 - 2⁹ = 1366803345533 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 1366803346045.

It is a congruent number.

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, 28492692 + ... + 28540621.

It is an arithmetic number, because the mean of its divisors is an integer number (205063280487).

Almost surely, 2^{1366803346045} is an apocalyptic number.

It is an amenable number.

1366803346045 is a deficient number, since it is larger than the sum of its proper divisors (273702897851).

1366803346045 is an equidigital number, since it uses as much as digits as its factorization.

1366803346045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57038111.

The product of its (nonzero) digits is 3732480, while the sum is 49.

The spelling of 1366803346045 in words is "one trillion, three hundred sixty-six billion, eight hundred three million, three hundred forty-six thousand, forty-five".