158436855163 has 2 divisors, whose sum is σ = 158436855164. Its totient is φ = 158436855162.

The previous prime is 158436855149. The next prime is 158436855223. The reversal of 158436855163 is 361558634851.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-158436855163 is a prime.

It is not a weakly prime, because it can be changed into another prime (158436853163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79218427581 + 79218427582.

It is an arithmetic number, because the mean of its divisors is an integer number (79218427582).

Almost surely, 2^158436855163 is an apocalyptic number.

158436855163 is a deficient number, since it is larger than the sum of its proper divisors (1).

158436855163 is an equidigital number, since it uses as much as digits as its factorization.

158436855163 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368000, while the sum is 55.

The spelling of 158436855163 in words is "one hundred fifty-eight billion, four hundred thirty-six million, eight hundred fifty-five thousand, one hundred sixty-three".