158663206623 has 4 divisors (see below), whose sum is σ = 211550942168. Its totient is φ = 105775471080.

The previous prime is 158663206607. The next prime is 158663206627. The reversal of 158663206623 is 326602366851.

158663206623 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 158663206623 - 2⁴ = 158663206607 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 (158663206627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26443867768 + ... + 26443867773.

It is an arithmetic number, because the mean of its divisors is an integer number (52887735542).

Almost surely, 2^158663206623 is an apocalyptic number.

158663206623 is a deficient number, since it is larger than the sum of its proper divisors (52887735545).

158663206623 is an equidigital number, since it uses as much as digits as its factorization.

158663206623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52887735544.

The product of its (nonzero) digits is 1866240, while the sum is 48.

The spelling of 158663206623 in words is "one hundred fifty-eight billion, six hundred sixty-three million, two hundred six thousand, six hundred twenty-three".