667246604224000 has 80 divisors (see below), whose sum is σ = 1663821110704896. Its totient is φ = 266898641664000.

The previous prime is 667246604223989. The next prime is 667246604224003. The reversal of 667246604224000 is 422406642766.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (667246604224003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5212800096 + ... + 5212928095.

Almost surely, 2^{667246604224000} is an apocalyptic number.

It is an amenable number.

667246604224000 is an abundant number, since it is smaller than the sum of its proper divisors (996574506480896).

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

667246604224000 is an equidigital number, since it uses as much as digits as its factorization.

667246604224000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10425728224 (or 10425728198 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 49.

The spelling of 667246604224000 in words is "six hundred sixty-seven trillion, two hundred forty-six billion, six hundred four million, two hundred twenty-four thousand".