158419161 has 12 divisors (see below), whose sum is σ = 229469760. Its totient is φ = 105316440.

The previous prime is 158419159. The next prime is 158419213. The reversal of 158419161 is 161914851.

It is a happy number.

158419161 is a `hidden beast` number, since 1 + 584 + 19 + 1 + 61 = 666.

It is not a de Polignac number, because 158419161 - 2¹ = 158419159 is a prime.

It is not an unprimeable number, because it can be changed into a prime (158412161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21285 + ... + 27746.

It is an arithmetic number, because the mean of its divisors is an integer number (19122480).

Almost surely, 2^158419161 is an apocalyptic number.

It is an amenable number.

158419161 is a deficient number, since it is larger than the sum of its proper divisors (71050599).

158419161 is a wasteful number, since it uses less digits than its factorization.

158419161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49396 (or 49393 counting only the distinct ones).

The product of its digits is 8640, while the sum is 36.

The square root of 158419161 is about 12586.4673757175. The cubic root of 158419161 is about 541.0896618407.

The spelling of 158419161 in words is "one hundred fifty-eight million, four hundred nineteen thousand, one hundred sixty-one".