158217403844 has 24 divisors (see below), whose sum is σ = 283339795200. Its totient is φ = 77263439904.

The previous prime is 158217403787. The next prime is 158217403873. The reversal of 158217403844 is 448304712851.

158217403844 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3446957 + ... + 3492555.

It is an arithmetic number, because the mean of its divisors is an integer number (11805824800).

Almost surely, 2^158217403844 is an apocalyptic number.

It is an amenable number.

158217403844 is a deficient number, since it is larger than the sum of its proper divisors (125122391356).

158217403844 is a wasteful number, since it uses less digits than its factorization.

158217403844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65819 (or 65817 counting only the distinct ones).

The product of its (nonzero) digits is 860160, while the sum is 47.

The spelling of 158217403844 in words is "one hundred fifty-eight billion, two hundred seventeen million, four hundred three thousand, eight hundred forty-four".