16779685796 has 24 divisors (see below), whose sum is σ = 29587360320. Its totient is φ = 8326202400.

The previous prime is 16779685781. The next prime is 16779685801. The reversal of 16779685796 is 69758697761.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2036966 + ... + 2045186.

It is an arithmetic number, because the mean of its divisors is an integer number (1232806680).

Almost surely, 2^16779685796 is an apocalyptic number.

It is an amenable number.

16779685796 is a deficient number, since it is larger than the sum of its proper divisors (12807674524).

16779685796 is a wasteful number, since it uses less digits than its factorization.

16779685796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12035 (or 12033 counting only the distinct ones).

The product of its digits is 240045120, while the sum is 71.

The spelling of 16779685796 in words is "sixteen billion, seven hundred seventy-nine million, six hundred eighty-five thousand, seven hundred ninety-six".