158976455808 has 512 divisors, whose sum is σ = 483928473600. Its totient is φ = 45973831680.

The previous prime is 158976455789. The next prime is 158976455821. The reversal of 158976455808 is 808554679851.

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, 604473085 + ... + 604473347.

It is an arithmetic number, because the mean of its divisors is an integer number (945172800).

Almost surely, 2^158976455808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 158976455808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (241964236800).

158976455808 is an abundant number, since it is smaller than the sum of its proper divisors (324952017792).

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

158976455808 is a wasteful number, since it uses less digits than its factorization.

158976455808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460 (or 448 counting only the distinct ones).

The product of its (nonzero) digits is 96768000, while the sum is 66.

The spelling of 158976455808 in words is "one hundred fifty-eight billion, nine hundred seventy-six million, four hundred fifty-five thousand, eight hundred eight".