158663338513 has 24 divisors (see below), whose sum is σ = 169952761440. Its totient is φ = 148085945280.

The previous prime is 158663338501. The next prime is 158663338517. The reversal of 158663338513 is 315833366851.

It is not a de Polignac number, because 158663338513 - 2⁵ = 158663338481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (158663338517) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6561381 + ... + 6585517.

It is an arithmetic number, because the mean of its divisors is an integer number (7081365060).

Almost surely, 2^158663338513 is an apocalyptic number.

It is an amenable number.

158663338513 is a deficient number, since it is larger than the sum of its proper divisors (11289422927).

158663338513 is a wasteful number, since it uses less digits than its factorization.

158663338513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24445 (or 24426 counting only the distinct ones).

The product of its digits is 4665600, while the sum is 52.

The spelling of 158663338513 in words is "one hundred fifty-eight billion, six hundred sixty-three million, three hundred thirty-eight thousand, five hundred thirteen".