158556109608 has 384 divisors, whose sum is σ = 501910732800. Its totient is φ = 46266764544.

The previous prime is 158556109601. The next prime is 158556109639. The reversal of 158556109608 is 806901655851.

158556109608 is a `hidden beast` number, since 1 + 585 + 56 + 1 + 0 + 9 + 6 + 0 + 8 = 666.

158556109608 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (158556109601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 106627441 + ... + 106628927.

It is an arithmetic number, because the mean of its divisors is an integer number (1307059200).

Almost surely, 2^158556109608 is an apocalyptic number.

158556109608 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 158556109608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (250955366400).

158556109608 is an abundant number, since it is smaller than the sum of its proper divisors (343354623192).

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

158556109608 is a wasteful number, since it uses less digits than its factorization.

158556109608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1678 (or 1655 counting only the distinct ones).

The product of its (nonzero) digits is 2592000, while the sum is 54.

The spelling of 158556109608 in words is "one hundred fifty-eight billion, five hundred fifty-six million, one hundred nine thousand, six hundred eight".