6500064 has 24 divisors (see below), whose sum is σ = 17062920. Its totient is φ = 2166656.

The previous prime is 6500063. The next prime is 6500077. The reversal of 6500064 is 4600056.

It is a tau number, because it is divible by the number of its divisors (24).

It is a plaindrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 6500064.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6500063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33759 + ... + 33950.

It is an arithmetic number, because the mean of its divisors is an integer number (710955).

Almost surely, 2^6500064 is an apocalyptic number.

It is an amenable number.

6500064 is an abundant number, since it is smaller than the sum of its proper divisors (10562856).

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

6500064 is a wasteful number, since it uses less digits than its factorization.

6500064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67722 (or 67714 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 6500064 is about 2549.5223081981. The cubic root of 6500064 is about 186.6261703535.

The spelling of 6500064 in words is "six million, five hundred thousand, sixty-four".