158328399977988 has 96 divisors (see below), whose sum is σ = 390142218211200. Its totient is φ = 49835760758784.

The previous prime is 158328399977971. The next prime is 158328399977999. The reversal of 158328399977988 is 889779993823851.

158328399977988 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 158328399977895 and 158328399977904.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1426724968 + ... + 1426835936.

It is an arithmetic number, because the mean of its divisors is an integer number (4063981439700).

Almost surely, 2^{158328399977988} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 158328399977988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (195071109105600).

158328399977988 is an abundant number, since it is smaller than the sum of its proper divisors (231813818233212).

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

158328399977988 is a wasteful number, since it uses less digits than its factorization.

158328399977988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131301 (or 131299 counting only the distinct ones).

The product of its digits is 118513704960, while the sum is 96.

The spelling of 158328399977988 in words is "one hundred fifty-eight trillion, three hundred twenty-eight billion, three hundred ninety-nine million, nine hundred seventy-seven thousand, nine hundred eighty-eight".