158238384618 has 16 divisors (see below), whose sum is σ = 330236629056. Its totient is φ = 50452818240.

The previous prime is 158238384611. The next prime is 158238384659. The reversal of 158238384618 is 816483832851.

It is not an unprimeable number, because it can be changed into a prime (158238384611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 573327343 + ... + 573327618.

It is an arithmetic number, because the mean of its divisors is an integer number (20639789316).

Almost surely, 2^158238384618 is an apocalyptic number.

158238384618 is an abundant number, since it is smaller than the sum of its proper divisors (171998244438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

158238384618 is a wasteful number, since it uses less digits than its factorization.

158238384618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1146654989.

The product of its digits is 8847360, while the sum is 57.

The spelling of 158238384618 in words is "one hundred fifty-eight billion, two hundred thirty-eight million, three hundred eighty-four thousand, six hundred eighteen".