158728685760 has 672 divisors, whose sum is σ = 587372228352. Its totient is φ = 39273431040.

The previous prime is 158728685743. The next prime is 158728685771. The reversal of 158728685760 is 67586827851.

158728685760 is a `hidden beast` number, since 1 + 58 + 7 + 2 + 8 + 6 + 8 + 576 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 205340734 + ... + 205341506.

It is an arithmetic number, because the mean of its divisors is an integer number (874065816).

Almost surely, 2^158728685760 is an apocalyptic number.

158728685760 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 158728685760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (293686114176).

158728685760 is an abundant number, since it is smaller than the sum of its proper divisors (428643542592).

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

158728685760 is a wasteful number, since it uses less digits than its factorization.

158728685760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 921 (or 908 counting only the distinct ones).

The product of its (nonzero) digits is 45158400, while the sum is 63.

The spelling of 158728685760 in words is "one hundred fifty-eight billion, seven hundred twenty-eight million, six hundred eighty-five thousand, seven hundred sixty".