6644086853042 has 8 divisors (see below), whose sum is σ = 9983584099632. Its totient is φ = 3316225486500.

The previous prime is 6644086853011. The next prime is 6644086853057. The reversal of 6644086853042 is 2403586804466.

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

It is a super-2 number, since 2×6644086853042² (a number of 26 digits) contains 22 as substring.

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, 2908968584 + ... + 2908970867.

It is an arithmetic number, because the mean of its divisors is an integer number (1247948012454).

Almost surely, 2^{6644086853042} is an apocalyptic number.

6644086853042 is a deficient number, since it is larger than the sum of its proper divisors (3339497246590).

6644086853042 is a wasteful number, since it uses less digits than its factorization.

6644086853042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5817940024.

The product of its (nonzero) digits is 26542080, while the sum is 56.

The spelling of 6644086853042 in words is "six trillion, six hundred forty-four billion, eighty-six million, eight hundred fifty-three thousand, forty-two".