16684968693836 has 48 divisors (see below), whose sum is σ = 30959611388160. Its totient is φ = 7845861890880.

The previous prime is 16684968693803. The next prime is 16684968693839. The reversal of 16684968693836 is 63839686948661.

It is not an unprimeable number, because it can be changed into a prime (16684968693839) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12376961 + ... + 13658663.

It is an arithmetic number, because the mean of its divisors is an integer number (644991903920).

Almost surely, 2^{16684968693836} is an apocalyptic number.

It is an amenable number.

16684968693836 is a deficient number, since it is larger than the sum of its proper divisors (14274642694324).

16684968693836 is a wasteful number, since it uses less digits than its factorization.

16684968693836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1282974 (or 1282972 counting only the distinct ones).

The product of its digits is 11609505792, while the sum is 83.

The spelling of 16684968693836 in words is "sixteen trillion, six hundred eighty-four billion, nine hundred sixty-eight million, six hundred ninety-three thousand, eight hundred thirty-six".