158261634229 has 2 divisors, whose sum is σ = 158261634230. Its totient is φ = 158261634228.

The previous prime is 158261634133. The next prime is 158261634241. The reversal of 158261634229 is 922436162851.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 157709854129 + 551780100 = 397127^2 + 23490^2 .

It is a cyclic number.

It is not a de Polignac number, because 158261634229 - 2⁷ = 158261634101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (158261634269) 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, 79130817114 + 79130817115.

It is an arithmetic number, because the mean of its divisors is an integer number (79130817115).

Almost surely, 2^158261634229 is an apocalyptic number.

It is an amenable number.

158261634229 is a deficient number, since it is larger than the sum of its proper divisors (1).

158261634229 is an equidigital number, since it uses as much as digits as its factorization.

158261634229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1244160, while the sum is 49.

The spelling of 158261634229 in words is "one hundred fifty-eight billion, two hundred sixty-one million, six hundred thirty-four thousand, two hundred twenty-nine".