6667167 has 8 divisors (see below), whose sum is σ = 9573424. Its totient is φ = 4102848.

The previous prime is 6667159. The next prime is 6667169. The reversal of 6667167 is 7617666.

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

It is not a de Polignac number, because 6667167 - 2³ = 6667159 is a prime.

It is a super-2 number, since 2×6667167² = 88902231611778, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 170953 = 6667167 / (6 + 6 + 6 + 7 + 1 + 6 + 7).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6667169) 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, 85438 + ... + 85515.

It is an arithmetic number, because the mean of its divisors is an integer number (1196678).

Almost surely, 2^6667167 is an apocalyptic number.

6667167 is a deficient number, since it is larger than the sum of its proper divisors (2906257).

6667167 is a wasteful number, since it uses less digits than its factorization.

6667167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170969.

The product of its digits is 63504, while the sum is 39.

The square root of 6667167 is about 2582.0857847872. The cubic root of 6667167 is about 188.2119139754.

The spelling of 6667167 in words is "six million, six hundred sixty-seven thousand, one hundred sixty-seven".