158718819168 has 384 divisors, whose sum is σ = 570682506240. Its totient is φ = 41792163840.

The previous prime is 158718819137. The next prime is 158718819173. The reversal of 158718819168 is 861918817851.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 65020828 + ... + 65023268.

It is an arithmetic number, because the mean of its divisors is an integer number (1486152360).

Almost surely, 2^158718819168 is an apocalyptic number.

158718819168 is a gapful number since it is divisible by the number (18) 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 158718819168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (285341253120).

158718819168 is an abundant number, since it is smaller than the sum of its proper divisors (411963687072).

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

158718819168 is a wasteful number, since it uses less digits than its factorization.

158718819168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3307 (or 3293 counting only the distinct ones).

The product of its digits is 7741440, while the sum is 63.

The spelling of 158718819168 in words is "one hundred fifty-eight billion, seven hundred eighteen million, eight hundred nineteen thousand, one hundred sixty-eight".