6842837656 has 16 divisors (see below), whose sum is σ = 12843467640. Its totient is φ = 3417912960.

The previous prime is 6842837647. The next prime is 6842837657. The reversal of 6842837656 is 6567382486.

It is a junction number, because it is equal to n+sod(n) for n = 6842837597 and 6842837606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6842837657) by changing a digit.

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, 429930 + ... + 445561.

Almost surely, 2^6842837656 is an apocalyptic number.

It is an amenable number.

6842837656 is a deficient number, since it is larger than the sum of its proper divisors (6000629984).

6842837656 is a wasteful number, since it uses less digits than its factorization.

6842837656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876474 (or 876470 counting only the distinct ones).

The product of its digits is 11612160, while the sum is 55.

The square root of 6842837656 is about 82721.4461672425. The cubic root of 6842837656 is about 1898.5064584056.

The spelling of 6842837656 in words is "six billion, eight hundred forty-two million, eight hundred thirty-seven thousand, six hundred fifty-six".