6671656 has 32 divisors (see below), whose sum is σ = 13219200. Its totient is φ = 3150400.

The previous prime is 6671647. The next prime is 6671663. The reversal of 6671656 is 6561766.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 18405 + ... + 18763.

It is an arithmetic number, because the mean of its divisors is an integer number (413100).

Almost surely, 2^6671656 is an apocalyptic number.

It is an amenable number.

6671656 is a deficient number, since it is larger than the sum of its proper divisors (6547544).

6671656 is a wasteful number, since it uses less digits than its factorization.

6671656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489 (or 485 counting only the distinct ones).

The product of its digits is 45360, while the sum is 37.

The square root of 6671656 is about 2582.9548970123. The cubic root of 6671656 is about 188.2541454925.

The spelling of 6671656 in words is "six million, six hundred seventy-one thousand, six hundred fifty-six".