16684235996 has 12 divisors (see below), whose sum is σ = 30734119080. Its totient is φ = 7903059120.

The previous prime is 16684235987. The next prime is 16684236013. The reversal of 16684235996 is 69953248661.

It is a super-2 number, since 2×16684235996² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109764635 + ... + 109764786.

It is an arithmetic number, because the mean of its divisors is an integer number (2561176590).

Almost surely, 2^16684235996 is an apocalyptic number.

It is an amenable number.

16684235996 is a deficient number, since it is larger than the sum of its proper divisors (14049883084).

16684235996 is a wasteful number, since it uses less digits than its factorization.

16684235996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219529444 (or 219529442 counting only the distinct ones).

The product of its digits is 16796160, while the sum is 59.

The spelling of 16684235996 in words is "sixteen billion, six hundred eighty-four million, two hundred thirty-five thousand, nine hundred ninety-six".