158364601493 has 4 divisors (see below), whose sum is σ = 180988116000. Its totient is φ = 135741086988.

The previous prime is 158364601387. The next prime is 158364601531. The reversal of 158364601493 is 394106463851.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 394106463851 = 1733 ⋅227412847.

It is a cyclic number.

It is not a de Polignac number, because 158364601493 - 2⁸ = 158364601237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158364606493) 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 in 3 ways as a sum of consecutive naturals, for example, 11311757243 + ... + 11311757256.

It is an arithmetic number, because the mean of its divisors is an integer number (45247029000).

Almost surely, 2^158364601493 is an apocalyptic number.

It is an amenable number.

158364601493 is a deficient number, since it is larger than the sum of its proper divisors (22623514507).

158364601493 is an equidigital number, since it uses as much as digits as its factorization.

158364601493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22623514506.

The product of its (nonzero) digits is 1866240, while the sum is 50.

The spelling of 158364601493 in words is "one hundred fifty-eight billion, three hundred sixty-four million, six hundred one thousand, four hundred ninety-three".