6648464 has 20 divisors (see below), whose sum is σ = 12954156. Its totient is φ = 3305472.

The previous prime is 6648457. The next prime is 6648487. The reversal of 6648464 is 4648466.

6648464 = T₁₆₀ + T₁₆₁ + ... + T₃₅₂.

It can be written as a sum of positive squares in 2 ways, for example, as 984064 + 5664400 = 992^2 + 2380^2 .

It is a d-powerful number, because it can be written as 6⁴ + 6⁶ + 4⁴ + 8⁷ + 4⁹ + 6⁶ + 4¹¹ .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2012 + ... + 4164.

Almost surely, 2^6648464 is an apocalyptic number.

It is an amenable number.

6648464 is a deficient number, since it is larger than the sum of its proper divisors (6305692).

6648464 is a wasteful number, since it uses less digits than its factorization.

6648464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2354 (or 2348 counting only the distinct ones).

The product of its digits is 110592, while the sum is 38.

The square root of 6648464 is about 2578.4615568203. The cubic root of 6648464 is about 188.0357559877.

The spelling of 6648464 in words is "six million, six hundred forty-eight thousand, four hundred sixty-four".