158658790161 has 8 divisors (see below), whose sum is σ = 211648103680. Its totient is φ = 105721001712.

The previous prime is 158658790151. The next prime is 158658790177. The reversal of 158658790161 is 161097856851.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-158658790161 is a prime.

It is a super-2 number, since 2×158658790161² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (158658790151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12874081 + ... + 12886398.

It is an arithmetic number, because the mean of its divisors is an integer number (26456012960).

Almost surely, 2^158658790161 is an apocalyptic number.

It is an amenable number.

158658790161 is a deficient number, since it is larger than the sum of its proper divisors (52989313519).

158658790161 is a wasteful number, since it uses less digits than its factorization.

158658790161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25762535.

The product of its (nonzero) digits is 3628800, while the sum is 57.

The spelling of 158658790161 in words is "one hundred fifty-eight billion, six hundred fifty-eight million, seven hundred ninety thousand, one hundred sixty-one".