158296331232 has 576 divisors, whose sum is σ = 543517019136. Its totient is φ = 43202396160.

The previous prime is 158296331213. The next prime is 158296331239. The reversal of 158296331232 is 232133692851.

158296331232 is a `hidden beast` number, since 1 + 5 + 8 + 2 + 9 + 633 + 1 + 2 + 3 + 2 = 666.

It is a super-2 number, since 2×158296331232² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158296331239) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 103936423 + ... + 103937945.

It is an arithmetic number, because the mean of its divisors is an integer number (943605936).

Almost surely, 2^158296331232 is an apocalyptic number.

158296331232 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 158296331232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (271758509568).

158296331232 is an abundant number, since it is smaller than the sum of its proper divisors (385220687904).

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

158296331232 is a wasteful number, since it uses less digits than its factorization.

158296331232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1663 (or 1652 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The spelling of 158296331232 in words is "one hundred fifty-eight billion, two hundred ninety-six million, three hundred thirty-one thousand, two hundred thirty-two".