6722168 has 16 divisors (see below), whose sum is σ = 12723480. Its totient is φ = 3329248.

The previous prime is 6722161. The next prime is 6722173. The reversal of 6722168 is 8612276.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6722161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3071 + ... + 4782.

Almost surely, 2^6722168 is an apocalyptic number.

It is an amenable number.

6722168 is a deficient number, since it is larger than the sum of its proper divisors (6001312).

6722168 is a wasteful number, since it uses less digits than its factorization.

6722168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7966 (or 7962 counting only the distinct ones).

The product of its digits is 8064, while the sum is 32.

The square root of 6722168 is about 2592.7144077202. The cubic root of 6722168 is about 188.7280506032.

The spelling of 6722168 in words is "six million, seven hundred twenty-two thousand, one hundred sixty-eight".