159776768 has 72 divisors (see below), whose sum is σ = 339737328. Its totient is φ = 74973184.

The previous prime is 159776741. The next prime is 159776803. The reversal of 159776768 is 867677951.

It is a nialpdrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3014630 + ... + 3014682.

It is an arithmetic number, because the mean of its divisors is an integer number (4718574).

Almost surely, 2^159776768 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 159776768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169868664).

159776768 is an abundant number, since it is smaller than the sum of its proper divisors (179960560).

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

159776768 is an frugal number, since it uses more digits than its factorization.

159776768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110 (or 78 counting only the distinct ones).

The product of its digits is 4445280, while the sum is 56.

The square root of 159776768 is about 12640.2835411236. The cubic root of 159776768 is about 542.6309287787.

The spelling of 159776768 in words is "one hundred fifty-nine million, seven hundred seventy-six thousand, seven hundred sixty-eight".