6958166 has 4 divisors (see below), whose sum is σ = 10437252. Its totient is φ = 3479082.

The previous prime is 6958157. The next prime is 6958169. The reversal of 6958166 is 6618596.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6958169) 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 as a sum of consecutive naturals, namely, 1739540 + ... + 1739543.

It is an arithmetic number, because the mean of its divisors is an integer number (2609313).

Almost surely, 2^6958166 is an apocalyptic number.

6958166 is a deficient number, since it is larger than the sum of its proper divisors (3479086).

6958166 is a wasteful number, since it uses less digits than its factorization.

6958166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3479085.

The product of its digits is 77760, while the sum is 41.

The square root of 6958166 is about 2637.8335808007. The cubic root of 6958166 is about 190.9112825008.

The spelling of 6958166 in words is "six million, nine hundred fifty-eight thousand, one hundred sixty-six".