6564514080 has 96 divisors (see below), whose sum is σ = 20827195200. Its totient is φ = 1737925632.

The previous prime is 6564514069. The next prime is 6564514087. The reversal of 6564514080 is 804154656.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (6564514087) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17526 + ... + 115914.

It is an arithmetic number, because the mean of its divisors is an integer number (216949950).

Almost surely, 2^6564514080 is an apocalyptic number.

6564514080 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6564514080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10413597600).

6564514080 is an abundant number, since it is smaller than the sum of its proper divisors (14262681120).

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

6564514080 is a wasteful number, since it uses less digits than its factorization.

6564514080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98546 (or 98538 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 39.

The square root of 6564514080 is about 81021.6889480835. The cubic root of 6564514080 is about 1872.4096097610.

The spelling of 6564514080 in words is "six billion, five hundred sixty-four million, five hundred fourteen thousand, eighty".