1003386800648 has 16 divisors (see below), whose sum is σ = 1886932897980. Its totient is φ = 500204694528.

The previous prime is 1003386800639. The next prime is 1003386800653. The reversal of 1003386800648 is 8460086833001.

It can be written as a sum of positive squares in 2 ways, for example, as 981363647044 + 22023153604 = 990638^2 + 148402^2 .

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 3 ways as a sum of consecutive naturals, for example, 186085361 + ... + 186090752.

Almost surely, 2^{1003386800648} is an apocalyptic number.

It is an amenable number.

1003386800648 is a deficient number, since it is larger than the sum of its proper divisors (883546097332).

1003386800648 is a wasteful number, since it uses less digits than its factorization.

1003386800648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372176456 (or 372176452 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 47.

The spelling of 1003386800648 in words is "one trillion, three billion, three hundred eighty-six million, eight hundred thousand, six hundred forty-eight".