663322056442 has 8 divisors (see below), whose sum is σ = 995012054100. Its totient is φ = 331651371744.

The previous prime is 663322056409. The next prime is 663322056473. The reversal of 663322056442 is 244650223366.

It can be written as a sum of positive squares in 2 ways, for example, as 641102874721 + 22219181721 = 800689^2 + 149061^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 4742067 + ... + 4879942.

Almost surely, 2^663322056442 is an apocalyptic number.

663322056442 is a deficient number, since it is larger than the sum of its proper divisors (331689997658).

663322056442 is a wasteful number, since it uses less digits than its factorization.

663322056442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9656480.

The product of its (nonzero) digits is 1244160, while the sum is 43.

The spelling of 663322056442 in words is "six hundred sixty-three billion, three hundred twenty-two million, fifty-six thousand, four hundred forty-two".