158899968000 has 960 divisors, whose sum is σ = 606010204800. Its totient is φ = 41405644800.

The previous prime is 158899967977. The next prime is 158899968037. The reversal of 158899968000 is 869998851.

It is a tau number, because it is divible by the number of its divisors (960).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1638143952 + ... + 1638144048.

It is an arithmetic number, because the mean of its divisors is an integer number (631260630).

Almost surely, 2^158899968000 is an apocalyptic number.

158899968000 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 158899968000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (303005102400).

158899968000 is an abundant number, since it is smaller than the sum of its proper divisors (447110236800).

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

158899968000 is an frugal number, since it uses more digits than its factorization.

158899968000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225 (or 186 counting only the distinct ones).

The product of its (nonzero) digits is 11197440, while the sum is 63.

The spelling of 158899968000 in words is "one hundred fifty-eight billion, eight hundred ninety-nine million, nine hundred sixty-eight thousand".