6656167 has 8 divisors (see below), whose sum is σ = 7869600. Its totient is φ = 5508384.

The previous prime is 6656123. The next prime is 6656171. The reversal of 6656167 is 7616566.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-6656167 is a prime.

It is a super-3 number, since 3×6656167³ (a number of 21 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6651167) by changing a digit.

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, 16192 + ... + 16597.

It is an arithmetic number, because the mean of its divisors is an integer number (983700).

Almost surely, 2^6656167 is an apocalyptic number.

6656167 is a deficient number, since it is larger than the sum of its proper divisors (1213433).

6656167 is a wasteful number, since it uses less digits than its factorization.

6656167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32825.

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

The square root of 6656167 is about 2579.9548445661. The cubic root of 6656167 is about 188.1083482132.

The spelling of 6656167 in words is "six million, six hundred fifty-six thousand, one hundred sixty-seven".