6564704555000 has 320 divisors, whose sum is σ = 16008467650560. Its totient is φ = 2521240128000.

The previous prime is 6564704554957. The next prime is 6564704555011. The reversal of 6564704555000 is 5554074656.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 4613284289 + ... + 4613285711.

It is an arithmetic number, because the mean of its divisors is an integer number (50026461408).

Almost surely, 2^{6564704555000} 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 6564704555000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8004233825280).

6564704555000 is an abundant number, since it is smaller than the sum of its proper divisors (9443763095560).

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

6564704555000 is a wasteful number, since it uses less digits than its factorization.

6564704555000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1856 (or 1837 counting only the distinct ones).

The product of its (nonzero) digits is 2520000, while the sum is 47.

The spelling of 6564704555000 in words is "six trillion, five hundred sixty-four billion, seven hundred four million, five hundred fifty-five thousand".