6464168 has 8 divisors (see below), whose sum is σ = 12120330. Its totient is φ = 3232080.

The previous prime is 6464167. The next prime is 6464179. The reversal of 6464168 is 8614646.

It can be written as a sum of positive squares in only one way, i.e., 6360484 + 103684 = 2522^2 + 322^2 .

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

It is not an unprimeable number, because it can be changed into a prime (6464167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 404003 + ... + 404018.

Almost surely, 2^6464168 is an apocalyptic number.

It is an amenable number.

6464168 is a deficient number, since it is larger than the sum of its proper divisors (5656162).

6464168 is a wasteful number, since it uses less digits than its factorization.

6464168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 808027 (or 808023 counting only the distinct ones).

The product of its digits is 27648, while the sum is 35.

The square root of 6464168 is about 2542.4728120474. The cubic root of 6464168 is about 186.2819941133.

The spelling of 6464168 in words is "six million, four hundred sixty-four thousand, one hundred sixty-eight".