6466566652 has 108 divisors (see below), whose sum is σ = 14376406800. Its totient is φ = 2542883616.

The previous prime is 6466566649. The next prime is 6466566661. The reversal of 6466566652 is 2566656646.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a self number, because there is not a number n which added to its sum of digits gives 6466566652.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 38721873 + ... + 38722039.

Almost surely, 2^6466566652 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 6466566652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7188203400).

6466566652 is an abundant number, since it is smaller than the sum of its proper divisors (7909840148).

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

6466566652 is a wasteful number, since it uses less digits than its factorization.

6466566652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385 (or 189 counting only the distinct ones).

The product of its digits is 9331200, while the sum is 52.

The square root of 6466566652 is about 80414.9653484972. The cubic root of 6466566652 is about 1863.0503241833.

The spelling of 6466566652 in words is "six billion, four hundred sixty-six million, five hundred sixty-six thousand, six hundred fifty-two".