158591457792 has 480 divisors, whose sum is σ = 498537591552. Its totient is φ = 50272026624.

The previous prime is 158591457781. The next prime is 158591457797. The reversal of 158591457792 is 297754195851.

158591457792 is a `hidden beast` number, since 1 + 5 + 8 + 5 + 91 + 457 + 7 + 92 = 666.

It is a super-3 number, since 3×158591457792³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158591457797) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 216359058 + ... + 216359790.

Almost surely, 2^158591457792 is an apocalyptic number.

158591457792 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 158591457792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (249268795776).

158591457792 is an abundant number, since it is smaller than the sum of its proper divisors (339946133760).

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

158591457792 is an frugal number, since it uses more digits than its factorization.

158591457792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 850 (or 822 counting only the distinct ones).

The product of its digits is 31752000, while the sum is 63.

The spelling of 158591457792 in words is "one hundred fifty-eight billion, five hundred ninety-one million, four hundred fifty-seven thousand, seven hundred ninety-two".