158151535568 has 40 divisors (see below), whose sum is σ = 349400402568. Its totient is φ = 68699308032.

The previous prime is 158151535519. The next prime is 158151535579. The reversal of 158151535568 is 865535151851.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 39741219904 + 118410315664 = 199352^2 + 344108^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22359521 + ... + 22366592.

Almost surely, 2^158151535568 is an apocalyptic number.

It is an amenable number.

158151535568 is an abundant number, since it is smaller than the sum of its proper divisors (191248867000).

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

158151535568 is a wasteful number, since it uses less digits than its factorization.

158151535568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44726151 (or 44726145 counting only the distinct ones).

The product of its digits is 3600000, while the sum is 53.

The spelling of 158151535568 in words is "one hundred fifty-eight billion, one hundred fifty-one million, five hundred thirty-five thousand, five hundred sixty-eight".