6803815366655 has 4 divisors (see below), whose sum is σ = 8164578439992. Its totient is φ = 5443052293320.

The previous prime is 6803815366583. The next prime is 6803815366687. The reversal of 6803815366655 is 5566635183086.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 6803815366655 - 2¹² = 6803815362559 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 680381536661 + ... + 680381536670.

It is an arithmetic number, because the mean of its divisors is an integer number (2041144609998).

Almost surely, 2^{6803815366655} is an apocalyptic number.

6803815366655 is a deficient number, since it is larger than the sum of its proper divisors (1360763073337).

6803815366655 is a wasteful number, since it uses less digits than its factorization.

6803815366655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1360763073336.

The product of its (nonzero) digits is 93312000, while the sum is 62.

The spelling of 6803815366655 in words is "six trillion, eight hundred three billion, eight hundred fifteen million, three hundred sixty-six thousand, six hundred fifty-five".