158799668805 has 16 divisors (see below), whose sum is σ = 282310522560. Its totient is φ = 84693156624.

The previous prime is 158799668803. The next prime is 158799668827. The reversal of 158799668805 is 508866997851.

It is not a de Polignac number, because 158799668805 - 2¹ = 158799668803 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158799668801) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 588146787 + ... + 588147056.

It is an arithmetic number, because the mean of its divisors is an integer number (17644407660).

Almost surely, 2^158799668805 is an apocalyptic number.

158799668805 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

158799668805 is a deficient number, since it is larger than the sum of its proper divisors (123510853755).

158799668805 is a wasteful number, since it uses less digits than its factorization.

158799668805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1176293857 (or 1176293851 counting only the distinct ones).

The product of its (nonzero) digits is 261273600, while the sum is 72.

The spelling of 158799668805 in words is "one hundred fifty-eight billion, seven hundred ninety-nine million, six hundred sixty-eight thousand, eight hundred five".