6648554 has 16 divisors (see below), whose sum is σ = 10928736. Its totient is φ = 3008400.

The previous prime is 6648517. The next prime is 6648571. The reversal of 6648554 is 4558466.

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 in 7 ways as a sum of consecutive naturals, for example, 5549 + ... + 6639.

It is an arithmetic number, because the mean of its divisors is an integer number (683046).

Almost surely, 2^6648554 is an apocalyptic number.

6648554 is a deficient number, since it is larger than the sum of its proper divisors (4280182).

6648554 is a wasteful number, since it uses less digits than its factorization.

6648554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1381.

The product of its digits is 115200, while the sum is 38.

The square root of 6648554 is about 2578.4790090284. The cubic root of 6648554 is about 188.0366044614.

The spelling of 6648554 in words is "six million, six hundred forty-eight thousand, five hundred fifty-four".