6997166 has 32 divisors (see below), whose sum is σ = 12387168. Its totient is φ = 2928640.

The previous prime is 6997163. The next prime is 6997171. The reversal of 6997166 is 6617996.

It is a happy 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 polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19646 + ... + 19998.

It is an arithmetic number, because the mean of its divisors is an integer number (387099).

Almost surely, 2^6997166 is an apocalyptic number.

6997166 is a deficient number, since it is larger than the sum of its proper divisors (5390002).

6997166 is a wasteful number, since it uses less digits than its factorization.

6997166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436.

The product of its digits is 122472, while the sum is 44.

The square root of 6997166 is about 2645.2156811875. The cubic root of 6997166 is about 191.2672993308.

The spelling of 6997166 in words is "six million, nine hundred ninety-seven thousand, one hundred sixty-six".