6654618 has 24 divisors (see below), whose sum is σ = 14508468. Its totient is φ = 2204352.

The previous prime is 6654581. The next prime is 6654643. The reversal of 6654618 is 8164566.

It can be written as a sum of positive squares in 2 ways, for example, as 6640929 + 13689 = 2577^2 + 117^2 .

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 2046 + ... + 4182.

Almost surely, 2^6654618 is an apocalyptic number.

6654618 is an abundant number, since it is smaller than the sum of its proper divisors (7853850).

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

6654618 is a wasteful number, since it uses less digits than its factorization.

6654618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2318 (or 2315 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 6654618 is about 2579.6546280462. The cubic root of 6654618 is about 188.0937551079.

It can be divided in two parts, 66546 and 18, that added together give a square (66564 = 258²).

The spelling of 6654618 in words is "six million, six hundred fifty-four thousand, six hundred eighteen".