158428302161 has 4 divisors (see below), whose sum is σ = 158432146800. Its totient is φ = 158424457524.

The previous prime is 158428302157. The next prime is 158428302169. The reversal of 158428302161 is 161203824851.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 158428302161 - 2² = 158428302157 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (158428302169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1859831 + ... + 1943148.

It is an arithmetic number, because the mean of its divisors is an integer number (39608036700).

Almost surely, 2^158428302161 is an apocalyptic number.

It is an amenable number.

158428302161 is a deficient number, since it is larger than the sum of its proper divisors (3844639).

158428302161 is an equidigital number, since it uses as much as digits as its factorization.

158428302161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3844638.

The product of its (nonzero) digits is 92160, while the sum is 41.

The spelling of 158428302161 in words is "one hundred fifty-eight billion, four hundred twenty-eight million, three hundred two thousand, one hundred sixty-one".