6800649916 has 12 divisors (see below), whose sum is σ = 11903371480. Its totient is φ = 3399686640.

The previous prime is 6800649887. The next prime is 6800649929. The reversal of 6800649916 is 6199460086.

It is a self number, because there is not a number n which added to its sum of digits gives 6800649916.

It is a congruent number.

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 in 3 ways as a sum of consecutive naturals, for example, 135195 + ... + 178546.

Almost surely, 2^6800649916 is an apocalyptic number.

It is an amenable number.

6800649916 is a deficient number, since it is larger than the sum of its proper divisors (5102721564).

6800649916 is a wasteful number, since it uses less digits than its factorization.

6800649916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319164 (or 319162 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 49.

The square root of 6800649916 is about 82466.0531127809. The cubic root of 6800649916 is about 1894.5968297807.

The spelling of 6800649916 in words is "six billion, eight hundred million, six hundred forty-nine thousand, nine hundred sixteen".