158913161 has 32 divisors (see below), whose sum is σ = 192430080. Its totient is φ = 129542400.

The previous prime is 158913151. The next prime is 158913163. The reversal of 158913161 is 161319851.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-158913161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (158913163) 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 31 ways as a sum of consecutive naturals, for example, 457790 + ... + 458136.

It is an arithmetic number, because the mean of its divisors is an integer number (6013440).

Almost surely, 2^158913161 is an apocalyptic number.

158913161 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

158913161 is a deficient number, since it is larger than the sum of its proper divisors (33516919).

158913161 is a wasteful number, since it uses less digits than its factorization.

158913161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485.

The product of its digits is 6480, while the sum is 35.

The square root of 158913161 is about 12606.0763522993. The cubic root of 158913161 is about 541.6515066158.

It can be divided in two parts, 158 and 913161, that added together give a palindrome (913319).

The spelling of 158913161 in words is "one hundred fifty-eight million, nine hundred thirteen thousand, one hundred sixty-one".