189315167 has 2 divisors, whose sum is σ = 189315168. Its totient is φ = 189315166.

The previous prime is 189315157. The next prime is 189315169. The reversal of 189315167 is 761513981.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 189315167 - 2⁸ = 189314911 is a prime.

Together with 189315169, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (189315169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94657583 + 94657584.

It is an arithmetic number, because the mean of its divisors is an integer number (94657584).

Almost surely, 2^189315167 is an apocalyptic number.

189315167 is a deficient number, since it is larger than the sum of its proper divisors (1).

189315167 is an equidigital number, since it uses as much as digits as its factorization.

189315167 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 45360, while the sum is 41.

The square root of 189315167 is about 13759.1848232372. The cubic root of 189315167 is about 574.1981685747.

The spelling of 189315167 in words is "one hundred eighty-nine million, three hundred fifteen thousand, one hundred sixty-seven".