6655767 has 8 divisors (see below), whose sum is σ = 8910720. Its totient is φ = 4419000.

The previous prime is 6655751. The next prime is 6655769. The reversal of 6655767 is 7675566.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6655767 - 2⁴ = 6655751 is a prime.

6655767 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6655769) 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 in 7 ways as a sum of consecutive naturals, for example, 3667 + ... + 5172.

It is an arithmetic number, because the mean of its divisors is an integer number (1113840).

Almost surely, 2^6655767 is an apocalyptic number.

6655767 is a deficient number, since it is larger than the sum of its proper divisors (2254953).

6655767 is a wasteful number, since it uses less digits than its factorization.

6655767 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9093.

The product of its digits is 264600, while the sum is 42.

The square root of 6655767 is about 2579.8773226648. The cubic root of 6655767 is about 188.1045800362.

The spelling of 6655767 in words is "six million, six hundred fifty-five thousand, seven hundred sixty-seven".