16801680968 has 16 divisors (see below), whose sum is σ = 31628666160. Its totient is φ = 8367370000.

The previous prime is 16801680947. The next prime is 16801680971. The reversal of 16801680968 is 86908610861.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4181678 + ... + 4185693.

It is an arithmetic number, because the mean of its divisors is an integer number (1976791635).

Almost surely, 2^16801680968 is an apocalyptic number.

It is an amenable number.

16801680968 is a deficient number, since it is larger than the sum of its proper divisors (14826985192).

16801680968 is a wasteful number, since it uses less digits than its factorization.

16801680968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8367628 (or 8367624 counting only the distinct ones).

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

The spelling of 16801680968 in words is "sixteen billion, eight hundred one million, six hundred eighty thousand, nine hundred sixty-eight".