6656137 has 8 divisors (see below), whose sum is σ = 7122560. Its totient is φ = 6201360.

The previous prime is 6656123. The next prime is 6656171. The reversal of 6656137 is 7316566.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6656137 - 2⁷ = 6656009 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6656437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1713 + ... + 4030.

It is an arithmetic number, because the mean of its divisors is an integer number (890320).

Almost surely, 2^6656137 is an apocalyptic number.

It is an amenable number.

6656137 is a deficient number, since it is larger than the sum of its proper divisors (466423).

6656137 is a wasteful number, since it uses less digits than its factorization.

6656137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5823.

The product of its digits is 22680, while the sum is 34.

The square root of 6656137 is about 2579.9490305043. The cubic root of 6656137 is about 188.1080656052.

The spelling of 6656137 in words is "six million, six hundred fifty-six thousand, one hundred thirty-seven".