158787267073 has 2 divisors, whose sum is σ = 158787267074. Its totient is φ = 158787267072.

The previous prime is 158787267071. The next prime is 158787267091. The reversal of 158787267073 is 370762787851.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 139888716289 + 18898550784 = 374017^2 + 137472^2 .

It is a cyclic number.

It is not a de Polignac number, because 158787267073 - 2¹ = 158787267071 is a prime.

Together with 158787267071, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (158787267071) 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, 79393633536 + 79393633537.

It is an arithmetic number, because the mean of its divisors is an integer number (79393633537).

Almost surely, 2^158787267073 is an apocalyptic number.

It is an amenable number.

158787267073 is a deficient number, since it is larger than the sum of its proper divisors (1).

158787267073 is an equidigital number, since it uses as much as digits as its factorization.

158787267073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27659520, while the sum is 61.

The spelling of 158787267073 in words is "one hundred fifty-eight billion, seven hundred eighty-seven million, two hundred sixty-seven thousand, seventy-three".