6791686416 has 60 divisors (see below), whose sum is σ = 19046515072. Its totient is φ = 2259223488.

The previous prime is 6791686403. The next prime is 6791686423. The reversal of 6791686416 is 6146861976.

It is a happy number.

6791686416 is a `hidden beast` number, since 67 + 9 + 168 + 6 + 416 = 666.

It is a super-2 number, since 2×6791686416² = 92254008746557850112, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21705 + ... + 118551.

Almost surely, 2^6791686416 is an apocalyptic number.

It is an amenable number.

6791686416 is an abundant number, since it is smaller than the sum of its proper divisors (12254828656).

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

6791686416 is a wasteful number, since it uses less digits than its factorization.

6791686416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97348 (or 97339 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 54.

The square root of 6791686416 is about 82411.6885884521. The cubic root of 6791686416 is about 1893.7640816651.

It can be divided in two parts, 679168 and 6416, that added together give a square (685584 = 828²).

The spelling of 6791686416 in words is "six billion, seven hundred ninety-one million, six hundred eighty-six thousand, four hundred sixteen".