158851819140 has 432 divisors, whose sum is σ = 552055174272. Its totient is φ = 34021306368.

The previous prime is 158851819129. The next prime is 158851819153. The reversal of 158851819140 is 41918158851.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 102949209 + ... + 102950751.

It is an arithmetic number, because the mean of its divisors is an integer number (1277905496).

Almost surely, 2^158851819140 is an apocalyptic number.

158851819140 is a gapful number since it is divisible by the number (10) 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 158851819140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (276027587136).

158851819140 is an abundant number, since it is smaller than the sum of its proper divisors (393203355132).

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

158851819140 is a wasteful number, since it uses less digits than its factorization.

158851819140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1704 (or 1676 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 51.

The spelling of 158851819140 in words is "one hundred fifty-eight billion, eight hundred fifty-one million, eight hundred nineteen thousand, one hundred forty".