6564273760 has 192 divisors, whose sum is σ = 17330277888. Its totient is φ = 2329600000.

The previous prime is 6564273757. The next prime is 6564273769. The reversal of 6564273760 is 673724656.

It is a self number, because there is not a number n which added to its sum of digits gives 6564273760.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6564273769) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16369560 + ... + 16369960.

It is an arithmetic number, because the mean of its divisors is an integer number (90261864).

Almost surely, 2^6564273760 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 6564273760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8665138944).

6564273760 is an abundant number, since it is smaller than the sum of its proper divisors (10766004128).

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

6564273760 is a wasteful number, since it uses less digits than its factorization.

6564273760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629 (or 621 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 46.

The square root of 6564273760 is about 81020.2058748310. The cubic root of 6564273760 is about 1872.3867604958.

The spelling of 6564273760 in words is "six billion, five hundred sixty-four million, two hundred seventy-three thousand, seven hundred sixty".