16684693760 has 144 divisors (see below), whose sum is σ = 46357723776. Its totient is φ = 5634883584.

The previous prime is 16684693757. The next prime is 16684693771. The reversal of 16684693760 is 6739648661.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a junction number, because it is equal to n+sod(n) for n = 16684693696 and 16684693705.

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, 586424 + ... + 614216.

Almost surely, 2^16684693760 is an apocalyptic number.

16684693760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16684693760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23178861888).

16684693760 is an abundant number, since it is smaller than the sum of its proper divisors (29673030016).

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

16684693760 is an equidigital number, since it uses as much as digits as its factorization.

16684693760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27888 (or 27874 counting only the distinct ones).

The product of its (nonzero) digits is 7838208, while the sum is 56.

The spelling of 16684693760 in words is "sixteen billion, six hundred eighty-four million, six hundred ninety-three thousand, seven hundred sixty".