1803783687368 has 16 divisors (see below), whose sum is σ = 3642255522780. Its totient is φ = 832515547968.

The previous prime is 1803783687323. The next prime is 1803783687373. The reversal of 1803783687368 is 8637863873081.

It can be written as a sum of positive squares in 2 ways, for example, as 1780521947044 + 23261740324 = 1334362^2 + 152518^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1803783687298 and 1803783687307.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8672036855 + ... + 8672037062.

Almost surely, 2^{1803783687368} is an apocalyptic number.

It is an amenable number.

1803783687368 is an abundant number, since it is smaller than the sum of its proper divisors (1838471835412).

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

1803783687368 is a wasteful number, since it uses less digits than its factorization.

1803783687368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17344073936 (or 17344073932 counting only the distinct ones).

The product of its (nonzero) digits is 195084288, while the sum is 68.

The spelling of 1803783687368 in words is "one trillion, eight hundred three billion, seven hundred eighty-three million, six hundred eighty-seven thousand, three hundred sixty-eight".