6606678 has 16 divisors (see below), whose sum is σ = 14229936. Its totient is φ = 2032800.

The previous prime is 6606673. The next prime is 6606679. The reversal of 6606678 is 8766066.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6606673) 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 7 ways as a sum of consecutive naturals, for example, 42273 + ... + 42428.

It is an arithmetic number, because the mean of its divisors is an integer number (889371).

Almost surely, 2^6606678 is an apocalyptic number.

6606678 is an abundant number, since it is smaller than the sum of its proper divisors (7623258).

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

6606678 is a wasteful number, since it uses less digits than its factorization.

6606678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84719.

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 6606678 is about 2570.3458911205. The cubic root of 6606678 is about 187.6409890690.

It can be divided in two parts, 660667 and 8, that added together give a triangular number (660675 = T₁₁₄₉).

The spelling of 6606678 in words is "six million, six hundred six thousand, six hundred seventy-eight".