1803328816 has 20 divisors (see below), whose sum is σ = 3559874832. Its totient is φ = 884651456.

The previous prime is 1803328801. The next prime is 1803328819. The reversal of 1803328816 is 6188233081.

It is not an unprimeable number, because it can be changed into a prime (1803328819) by changing a digit.

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, 1062436 + ... + 1064131.

Almost surely, 2^1803328816 is an apocalyptic number.

1803328816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1803328816 is a deficient number, since it is larger than the sum of its proper divisors (1756546016).

1803328816 is a wasteful number, since it uses less digits than its factorization.

1803328816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2126628 (or 2126622 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 40.

The square root of 1803328816 is about 42465.6192230845. The cubic root of 1803328816 is about 1217.1898088630.

The spelling of 1803328816 in words is "one billion, eight hundred three million, three hundred twenty-eight thousand, eight hundred sixteen".