158016178193 has 2 divisors, whose sum is σ = 158016178194. Its totient is φ = 158016178192.

The previous prime is 158016178147. The next prime is 158016178217. The reversal of 158016178193 is 391871610851.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 148836238849 + 9179939344 = 385793^2 + 95812^2 .

It is a cyclic number.

It is not a de Polignac number, because 158016178193 - 2³⁰ = 156942436369 is a prime.

It is a super-2 number, since 2×158016178193² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (158016178093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79008089096 + 79008089097.

It is an arithmetic number, because the mean of its divisors is an integer number (79008089097).

Almost surely, 2^158016178193 is an apocalyptic number.

It is an amenable number.

158016178193 is a deficient number, since it is larger than the sum of its proper divisors (1).

158016178193 is an equidigital number, since it uses as much as digits as its factorization.

158016178193 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 362880, while the sum is 50.

The spelling of 158016178193 in words is "one hundred fifty-eight billion, sixteen million, one hundred seventy-eight thousand, one hundred ninety-three".