99999167 has 2 divisors, whose sum is σ = 99999168. Its totient is φ = 99999166.

The previous prime is 99999157. The next prime is 99999187. The reversal of 99999167 is 76199999.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 99999167 - 2⁶ = 99999103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99999157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49999583 + 49999584.

It is an arithmetic number, because the mean of its divisors is an integer number (49999584).

Almost surely, 2^99999167 is an apocalyptic number.

99999167 is a deficient number, since it is larger than the sum of its proper divisors (1).

99999167 is an equidigital number, since it uses as much as digits as its factorization.

99999167 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2480058, while the sum is 59.

The square root of 99999167 is about 9999.9583499133. The cubic root of 99999167 is about 464.1575945432.

The spelling of 99999167 in words is "ninety-nine million, nine hundred ninety-nine thousand, one hundred sixty-seven".