16684343500 has 48 divisors (see below), whose sum is σ = 39751219872. Its totient is φ = 6067032000.

The previous prime is 16684343483. The next prime is 16684343519. The reversal of 16684343500 is 534348661.

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, 1511259 + ... + 1522258.

It is an arithmetic number, because the mean of its divisors is an integer number (828150414).

Almost surely, 2^16684343500 is an apocalyptic number.

16684343500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16684343500 is an abundant number, since it is smaller than the sum of its proper divisors (23066876372).

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

16684343500 is a wasteful number, since it uses less digits than its factorization.

16684343500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3033547 (or 3033535 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 40.

The spelling of 16684343500 in words is "sixteen billion, six hundred eighty-four million, three hundred forty-three thousand, five hundred".