159812491776 has 160 divisors (see below), whose sum is σ = 496503638400. Its totient is φ = 45660561408.

The previous prime is 159812491679. The next prime is 159812491819. The reversal of 159812491776 is 677194218951.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 375180 + ... + 678516.

It is an arithmetic number, because the mean of its divisors is an integer number (3103147740).

Almost surely, 2^159812491776 is an apocalyptic number.

159812491776 is a gapful number since it is divisible by the number (16) 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 159812491776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (248251819200).

159812491776 is an abundant number, since it is smaller than the sum of its proper divisors (336691146624).

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

159812491776 is an frugal number, since it uses more digits than its factorization.

159812491776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303379 (or 303349 counting only the distinct ones).

The product of its digits is 7620480, while the sum is 60.

The spelling of 159812491776 in words is "one hundred fifty-nine billion, eight hundred twelve million, four hundred ninety-one thousand, seven hundred seventy-six".