158572215873 has 12 divisors (see below), whose sum is σ = 229345077780. Its totient is φ = 105578046816.

The previous prime is 158572215871. The next prime is 158572215877. The reversal of 158572215873 is 378512275851.

It is a happy number.

158572215873 is a `hidden beast` number, since 1 + 5 + 8 + 57 + 2 + 2 + 1 + 587 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 34349803569 + 124222412304 = 185337^2 + 352452^2 .

It is not a de Polignac number, because 158572215873 - 2¹ = 158572215871 is a prime.

It is not an unprimeable number, because it can be changed into a prime (158572215871) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11389638 + ... + 11403551.

It is an arithmetic number, because the mean of its divisors is an integer number (19112089815).

Almost surely, 2^158572215873 is an apocalyptic number.

It is an amenable number.

158572215873 is a deficient number, since it is larger than the sum of its proper divisors (70772861907).

158572215873 is a wasteful number, since it uses less digits than its factorization.

158572215873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22793968 (or 22793965 counting only the distinct ones).

The product of its digits is 4704000, while the sum is 54.

The spelling of 158572215873 in words is "one hundred fifty-eight billion, five hundred seventy-two million, two hundred fifteen thousand, eight hundred seventy-three".