6646242763952 has 80 divisors (see below), whose sum is σ = 14280525371808. Its totient is φ = 2971192688640.

The previous prime is 6646242763873. The next prime is 6646242763967. The reversal of 6646242763952 is 2593672426466.

It is a super-3 number, since 3×6646242763952³ (a number of 39 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3802628 + ... + 5268060.

Almost surely, 2^{6646242763952} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6646242763952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7140262685904).

6646242763952 is an abundant number, since it is smaller than the sum of its proper divisors (7634282607856).

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

6646242763952 is a wasteful number, since it uses less digits than its factorization.

6646242763952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1465878 (or 1465872 counting only the distinct ones).

The product of its digits is 156764160, while the sum is 62.

The spelling of 6646242763952 in words is "six trillion, six hundred forty-six billion, two hundred forty-two million, seven hundred sixty-three thousand, nine hundred fifty-two".