6551168 has 64 divisors (see below), whose sum is σ = 14622720. Its totient is φ = 2903040.

The previous prime is 6551161. The next prime is 6551173. The reversal of 6551168 is 8611556.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (6551161) 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 7 ways as a sum of consecutive naturals, for example, 51521 + ... + 51647.

It is an arithmetic number, because the mean of its divisors is an integer number (228480).

Almost surely, 2^6551168 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6551168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7311360).

6551168 is an abundant number, since it is smaller than the sum of its proper divisors (8071552).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6551168 is a wasteful number, since it uses less digits than its factorization.

6551168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185 (or 173 counting only the distinct ones).

The product of its digits is 7200, while the sum is 32.

The square root of 6551168 is about 2559.5249559244. The cubic root of 6551168 is about 187.1139839079.

The spelling of 6551168 in words is "six million, five hundred fifty-one thousand, one hundred sixty-eight".