6801655 has 16 divisors (see below), whose sum is σ = 9370944. Its totient is φ = 4642560.

The previous prime is 6801653. The next prime is 6801703. The reversal of 6801655 is 5561086.

It is not a de Polignac number, because 6801655 - 2¹ = 6801653 is a prime.

It is a Duffinian number.

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 polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12795 + ... + 13315.

It is an arithmetic number, because the mean of its divisors is an integer number (585684).

Almost surely, 2^6801655 is an apocalyptic number.

6801655 is a deficient number, since it is larger than the sum of its proper divisors (2569289).

6801655 is a wasteful number, since it uses less digits than its factorization.

6801655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 906.

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 6801655 is about 2607.9982745393. The cubic root of 6801655 is about 189.4690160819.

The spelling of 6801655 in words is "six million, eight hundred one thousand, six hundred fifty-five".