167270137 has 2 divisors, whose sum is σ = 167270138. Its totient is φ = 167270136.

The previous prime is 167270087. The next prime is 167270179. The reversal of 167270137 is 731072761.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 158155776 + 9114361 = 12576^2 + 3019^2 .

It is an emirp because it is prime and its reverse (731072761) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-167270137 is a prime.

It is not a weakly prime, because it can be changed into another prime (167270197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83635068 + 83635069.

It is an arithmetic number, because the mean of its divisors is an integer number (83635069).

Almost surely, 2^167270137 is an apocalyptic number.

It is an amenable number.

167270137 is a deficient number, since it is larger than the sum of its proper divisors (1).

167270137 is an equidigital number, since it uses as much as digits as its factorization.

167270137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12348, while the sum is 34.

The square root of 167270137 is about 12933.2956743438. The cubic root of 167270137 is about 550.9846131476.

The spelling of 167270137 in words is "one hundred sixty-seven million, two hundred seventy thousand, one hundred thirty-seven".