6664468224 has 72 divisors (see below), whose sum is σ = 18508436352. Its totient is φ = 2124897280.

The previous prime is 6664468189. The next prime is 6664468241. The reversal of 6664468224 is 4228644666.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170982 + ... + 206309.

It is an arithmetic number, because the mean of its divisors is an integer number (257061616).

Almost surely, 2^6664468224 is an apocalyptic number.

6664468224 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

6664468224 is an abundant number, since it is smaller than the sum of its proper divisors (11843968128).

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

6664468224 is a wasteful number, since it uses less digits than its factorization.

6664468224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377333 (or 377319 counting only the distinct ones).

The product of its digits is 2654208, while the sum is 48.

The square root of 6664468224 is about 81636.1943258013. The cubic root of 6664468224 is about 1881.8651536414.

The spelling of 6664468224 in words is "six billion, six hundred sixty-four million, four hundred sixty-eight thousand, two hundred twenty-four".