6664224042356 has 48 divisors (see below), whose sum is σ = 11859863097600. Its totient is φ = 3276096899712.

The previous prime is 6664224042313. The next prime is 6664224042397. The reversal of 6664224042356 is 6532404224666.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 127962290 + ... + 128014358.

It is an arithmetic number, because the mean of its divisors is an integer number (247080481200).

Almost surely, 2^{6664224042356} is an apocalyptic number.

It is an amenable number.

6664224042356 is a deficient number, since it is larger than the sum of its proper divisors (5195639055244).

6664224042356 is a wasteful number, since it uses less digits than its factorization.

6664224042356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54008 (or 54006 counting only the distinct ones).

The product of its (nonzero) digits is 9953280, while the sum is 50.

The spelling of 6664224042356 in words is "six trillion, six hundred sixty-four billion, two hundred twenty-four million, forty-two thousand, three hundred fifty-six".