158170193232 has 40 divisors (see below), whose sum is σ = 412573397184. Its totient is φ = 52211518464.

The previous prime is 158170193191. The next prime is 158170193239. The reversal of 158170193232 is 232391071851.

158170193232 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158170193239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15991233 + ... + 16001120.

Almost surely, 2^158170193232 is an apocalyptic number.

158170193232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

158170193232 is an abundant number, since it is smaller than the sum of its proper divisors (254403203952).

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

158170193232 is a wasteful number, since it uses less digits than its factorization.

158170193232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31992467 (or 31992461 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 42.

The spelling of 158170193232 in words is "one hundred fifty-eight billion, one hundred seventy million, one hundred ninety-three thousand, two hundred thirty-two".