16705616064 has 28 divisors (see below), whose sum is σ = 44200276344. Its totient is φ = 5568538624.

The previous prime is 16705616063. The next prime is 16705616077. The reversal of 16705616064 is 46061650761.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (16705616063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43504017 + ... + 43504400.

It is an arithmetic number, because the mean of its divisors is an integer number (1578581298).

Almost surely, 2^16705616064 is an apocalyptic number.

It is an amenable number.

16705616064 is an abundant number, since it is smaller than the sum of its proper divisors (27494660280).

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

16705616064 is an equidigital number, since it uses as much as digits as its factorization.

16705616064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87008432 (or 87008422 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 42.

The spelling of 16705616064 in words is "sixteen billion, seven hundred five million, six hundred sixteen thousand, sixty-four".