158603894089 has 2 divisors, whose sum is σ = 158603894090. Its totient is φ = 158603894088.

The previous prime is 158603894083. The next prime is 158603894117. The reversal of 158603894089 is 980498306851.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 156018680064 + 2585214025 = 394992^2 + 50845^2 .

It is a cyclic number.

It is not a de Polignac number, because 158603894089 - 2⁷ = 158603893961 is a prime.

It is not a weakly prime, because it can be changed into another prime (158603894083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79301947044 + 79301947045.

It is an arithmetic number, because the mean of its divisors is an integer number (79301947045).

Almost surely, 2^158603894089 is an apocalyptic number.

It is an amenable number.

158603894089 is a deficient number, since it is larger than the sum of its proper divisors (1).

158603894089 is an equidigital number, since it uses as much as digits as its factorization.

158603894089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14929920, while the sum is 61.

The spelling of 158603894089 in words is "one hundred fifty-eight billion, six hundred three million, eight hundred ninety-four thousand, eighty-nine".