9951167 has 2 divisors, whose sum is σ = 9951168. Its totient is φ = 9951166.

The previous prime is 9951163. The next prime is 9951181. The reversal of 9951167 is 7611599.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9951167 - 2² = 9951163 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9951167.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9951163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4975583 + 4975584.

It is an arithmetic number, because the mean of its divisors is an integer number (4975584).

Almost surely, 2^9951167 is an apocalyptic number.

9951167 is a deficient number, since it is larger than the sum of its proper divisors (1).

9951167 is an equidigital number, since it uses as much as digits as its factorization.

9951167 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17010, while the sum is 38.

The square root of 9951167 is about 3154.5470356297. The cubic root of 9951167 is about 215.0922049078.

The spelling of 9951167 in words is "nine million, nine hundred fifty-one thousand, one hundred sixty-seven".