158486590500 has 768 divisors, whose sum is σ = 574848368640. Its totient is φ = 33130944000.

The previous prime is 158486590469. The next prime is 158486590501. The reversal of 158486590500 is 5095684851.

It is not an unprimeable number, because it can be changed into a prime (158486590501) by changing a digit.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 949021417 + ... + 949021583.

It is an arithmetic number, because the mean of its divisors is an integer number (748500480).

Almost surely, 2^158486590500 is an apocalyptic number.

158486590500 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 158486590500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (287424184320).

158486590500 is an abundant number, since it is smaller than the sum of its proper divisors (416361778140).

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

158486590500 is a wasteful number, since it uses less digits than its factorization.

158486590500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353 (or 341 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 51.

It can be divided in two parts, 1584865 and 90500, that added together give a triangular number (1675365 = T₁₈₃₀).

The spelling of 158486590500 in words is "one hundred fifty-eight billion, four hundred eighty-six million, five hundred ninety thousand, five hundred".