9999993999167 has 2 divisors, whose sum is σ = 9999993999168. Its totient is φ = 9999993999166.

The previous prime is 9999993999137. The next prime is 9999993999313. The reversal of 9999993999167 is 7619993999999.

9999993999167 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (7619993999999) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9999993999167 - 2¹⁸ = 9999993737023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9999993999137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4999996999583 + 4999996999584.

It is an arithmetic number, because the mean of its divisors is an integer number (4999996999584).

Almost surely, 2^{9999993999167} is an apocalyptic number.

9999993999167 is a deficient number, since it is larger than the sum of its proper divisors (1).

9999993999167 is an equidigital number, since it uses as much as digits as its factorization.

9999993999167 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48814981614, while the sum is 98.

The spelling of 9999993999167 in words is "nine trillion, nine hundred ninety-nine billion, nine hundred ninety-three million, nine hundred ninety-nine thousand, one hundred sixty-seven".