169151189 has 2 divisors, whose sum is σ = 169151190. Its totient is φ = 169151188.

The previous prime is 169151089. The next prime is 169151201. The reversal of 169151189 is 981151961.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 168558289 + 592900 = 12983^2 + 770^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-169151189 is a prime.

It is a super-2 number, since 2×169151189² = 57224249480227442, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (169151089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84575594 + 84575595.

It is an arithmetic number, because the mean of its divisors is an integer number (84575595).

Almost surely, 2^169151189 is an apocalyptic number.

It is an amenable number.

169151189 is a deficient number, since it is larger than the sum of its proper divisors (1).

169151189 is an equidigital number, since it uses as much as digits as its factorization.

169151189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19440, while the sum is 41.

The square root of 169151189 is about 13005.8136615900. The cubic root of 169151189 is about 553.0423020373.

The spelling of 169151189 in words is "one hundred sixty-nine million, one hundred fifty-one thousand, one hundred eighty-nine".