6663451224800 has 72 divisors (see below), whose sum is σ = 17123316147000. Its totient is φ = 2525097300480.

The previous prime is 6663451224799. The next prime is 6663451224817. The reversal of 6663451224800 is 84221543666.

It is a super-3 number, since 3×6663451224800³ (a number of 39 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 219177275 + ... + 219207674.

It is an arithmetic number, because the mean of its divisors is an integer number (237823835375).

Almost surely, 2^{6663451224800} is an apocalyptic number.

It is an amenable number.

6663451224800 is an abundant number, since it is smaller than the sum of its proper divisors (10459864922200).

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

6663451224800 is a wasteful number, since it uses less digits than its factorization.

6663451224800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438384988 (or 438384975 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 47.

The spelling of 6663451224800 in words is "six trillion, six hundred sixty-three billion, four hundred fifty-one million, two hundred twenty-four thousand, eight hundred".