16968840680 has 64 divisors (see below), whose sum is σ = 41770512000. Its totient is φ = 6152751360.

The previous prime is 16968840631. The next prime is 16968840719. The reversal of 16968840680 is 8604886961.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98309 + ... + 208811.

It is an arithmetic number, because the mean of its divisors is an integer number (652664250).

Almost surely, 2^16968840680 is an apocalyptic number.

16968840680 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 16968840680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20885256000).

16968840680 is an abundant number, since it is smaller than the sum of its proper divisors (24801671320).

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

16968840680 is a wasteful number, since it uses less digits than its factorization.

16968840680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110874 (or 110870 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 56.

The spelling of 16968840680 in words is "sixteen billion, nine hundred sixty-eight million, eight hundred forty thousand, six hundred eighty".