158493164544 has 891 divisors, whose sum is σ = 564133747359. Its totient is φ = 42805002240.

The previous prime is 158493164527. The next prime is 158493164567. The reversal of 158493164544 is 445461394851.

The square root of 158493164544 is 398112.

It is a perfect power (a square), and thus also a powerful number.

158493164544 is a `hidden beast` number, since 1 + 5 + 8 + 4 + 9 + 31 + 64 + 544 = 666.

158493164544 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 20323353600 + 138169810944 = 142560^2 + 371712^2 .

It is a super-3 number, since 3×158493164544³ (a number of 35 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 5465281522 + ... + 5465281550.

Almost surely, 2^158493164544 is an apocalyptic number.

158493164544 is the 398112-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 158493164544

158493164544 is an abundant number, since it is smaller than the sum of its proper divisors (405640582815).

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

158493164544 is a wasteful number, since it uses less digits than its factorization.

158493164544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132 (or 58 counting only the distinct ones).

The product of its digits is 8294400, while the sum is 54.

The spelling of 158493164544 in words is "one hundred fifty-eight billion, four hundred ninety-three million, one hundred sixty-four thousand, five hundred forty-four".