6661084 has 6 divisors (see below), whose sum is σ = 11656904. Its totient is φ = 3330540.

The previous prime is 6661079. The next prime is 6661091. The reversal of 6661084 is 4801666.

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, 832632 + ... + 832639.

Almost surely, 2^6661084 is an apocalyptic number.

It is an amenable number.

6661084 is a deficient number, since it is larger than the sum of its proper divisors (4995820).

6661084 is a wasteful number, since it uses less digits than its factorization.

6661084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1665275 (or 1665273 counting only the distinct ones).

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

The square root of 6661084 is about 2580.9075923016. The cubic root of 6661084 is about 188.1546562004.

The spelling of 6661084 in words is "six million, six hundred sixty-one thousand, eighty-four".