6801656 has 8 divisors (see below), whose sum is σ = 12753120. Its totient is φ = 3400824.

The previous prime is 6801653. The next prime is 6801703. The reversal of 6801656 is 6561086.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6801653) by changing a digit.

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 as a sum of consecutive naturals, namely, 425096 + ... + 425111.

It is an arithmetic number, because the mean of its divisors is an integer number (1594140).

Almost surely, 2^6801656 is an apocalyptic number.

It is an amenable number.

6801656 is a deficient number, since it is larger than the sum of its proper divisors (5951464).

6801656 is a wasteful number, since it uses less digits than its factorization.

6801656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 850213 (or 850209 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 6801656 is about 2607.9984662572. The cubic root of 6801656 is about 189.4690253674.

The spelling of 6801656 in words is "six million, eight hundred one thousand, six hundred fifty-six".