6660064 has 24 divisors (see below), whose sum is σ = 13683600. Its totient is φ = 3184896.

The previous prime is 6660061. The next prime is 6660091. The reversal of 6660064 is 4600666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6660061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3789 + ... + 5260.

It is an arithmetic number, because the mean of its divisors is an integer number (570150).

Almost surely, 2^6660064 is an apocalyptic number.

It is an amenable number.

6660064 is an abundant number, since it is smaller than the sum of its proper divisors (7023536).

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

6660064 is a wasteful number, since it uses less digits than its factorization.

6660064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9082 (or 9074 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 6660064 is about 2580.7099798311. The cubic root of 6660064 is about 188.1450517804.

The spelling of 6660064 in words is "six million, six hundred sixty thousand, sixty-four".