6997167 has 6 divisors (see below), whose sum is σ = 10107032. Its totient is φ = 4664772.

The previous prime is 6997163. The next prime is 6997171. The reversal of 6997167 is 7617996.

It is an interprime number because it is at equal distance from previous prime (6997163) and next prime (6997171).

It is not a de Polignac number, because 6997167 - 2² = 6997163 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6997163) 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 5 ways as a sum of consecutive naturals, for example, 388723 + ... + 388740.

Almost surely, 2^6997167 is an apocalyptic number.

6997167 is a deficient number, since it is larger than the sum of its proper divisors (3109865).

6997167 is a wasteful number, since it uses less digits than its factorization.

6997167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 777469 (or 777466 counting only the distinct ones).

The product of its digits is 142884, while the sum is 45.

The square root of 6997167 is about 2645.2158702079. The cubic root of 6997167 is about 191.2673084425.

The spelling of 6997167 in words is "six million, nine hundred ninety-seven thousand, one hundred sixty-seven".