6658167 has 8 divisors (see below), whose sum is σ = 9002880. Its totient is φ = 4376120.

The previous prime is 6658159. The next prime is 6658181. The reversal of 6658167 is 7618566.

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 6658167 - 2³ = 6658159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6658367) 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, 15417 + ... + 15842.

It is an arithmetic number, because the mean of its divisors is an integer number (1125360).

Almost surely, 2^6658167 is an apocalyptic number.

6658167 is a deficient number, since it is larger than the sum of its proper divisors (2344713).

6658167 is a wasteful number, since it uses less digits than its factorization.

6658167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31333.

The product of its digits is 60480, while the sum is 39.

The square root of 6658167 is about 2580.3424191374. The cubic root of 6658167 is about 188.1271868342.

The spelling of 6658167 in words is "six million, six hundred fifty-eight thousand, one hundred sixty-seven".