6618064 has 10 divisors (see below), whose sum is σ = 12822530. Its totient is φ = 3309024.

The previous prime is 6618047. The next prime is 6618077. The reversal of 6618064 is 4608166.

It can be written as a sum of positive squares in only one way, i.e., 6451600 + 166464 = 2540^2 + 408^2 .

It is a super-2 number, since 2×6618064² = 87597542216192, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 206799 + ... + 206830.

It is an arithmetic number, because the mean of its divisors is an integer number (1282253).

Almost surely, 2^6618064 is an apocalyptic number.

It is an amenable number.

6618064 is a deficient number, since it is larger than the sum of its proper divisors (6204466).

6618064 is a wasteful number, since it uses less digits than its factorization.

6618064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413637 (or 413631 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 6618064 is about 2572.5598146593. The cubic root of 6618064 is about 187.7487211815.

The spelling of 6618064 in words is "six million, six hundred eighteen thousand, sixty-four".