163803604683 has 6 divisors (see below), whose sum is σ = 218405740924. Its totient is φ = 109201935784.

The previous prime is 163803604651. The next prime is 163803604693. The reversal of 163803604683 is 386406308361.

It is a happy number.

163803604683 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 163803604683 - 2⁵ = 163803604651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (163803604693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 584173 + ... + 817841.

Almost surely, 2^163803604683 is an apocalyptic number.

163803604683 is a deficient number, since it is larger than the sum of its proper divisors (54602136241).

163803604683 is an frugal number, since it uses more digits than its factorization.

163803604683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467341 (or 233672 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 48.

Multiplying 163803604683 by its sum of digits (48), we get a square (7862573024784 = 2804028²).

The spelling of 163803604683 in words is "one hundred sixty-three billion, eight hundred three million, six hundred four thousand, six hundred eighty-three".