16968816008 has 8 divisors (see below), whose sum is σ = 31816530030. Its totient is φ = 8484408000.

The previous prime is 16968815977. The next prime is 16968816017. The reversal of 16968816008 is 80061886961.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 16697291524 + 271524484 = 129218^2 + 16478^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1060550993 + ... + 1060551008.

Almost surely, 2^16968816008 is an apocalyptic number.

It is an amenable number.

16968816008 is a deficient number, since it is larger than the sum of its proper divisors (14847714022).

16968816008 is a wasteful number, since it uses less digits than its factorization.

16968816008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2121102007 (or 2121102003 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 53.

The spelling of 16968816008 in words is "sixteen billion, nine hundred sixty-eight million, eight hundred sixteen thousand, eight".