16809363830 has 32 divisors (see below), whose sum is σ = 34661459520. Its totient is φ = 5749511040.

The previous prime is 16809363829. The next prime is 16809363871. The reversal of 16809363830 is 3836390861.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 255725 + ... + 314664.

It is an arithmetic number, because the mean of its divisors is an integer number (1083170610).

Almost surely, 2^16809363830 is an apocalyptic number.

16809363830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16809363830 is an abundant number, since it is smaller than the sum of its proper divisors (17852095690).

16809363830 is a wasteful number, since it uses less digits than its factorization.

16809363830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570824.

The product of its (nonzero) digits is 559872, while the sum is 47.

The spelling of 16809363830 in words is "sixteen billion, eight hundred nine million, three hundred sixty-three thousand, eight hundred thirty".