159932816 has 10 divisors (see below), whose sum is σ = 309869862. Its totient is φ = 79966400.

The previous prime is 159932809. The next prime is 159932827. The reversal of 159932816 is 618239951.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 159769600 + 163216 = 12640^2 + 404^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4997885 + ... + 4997916.

Almost surely, 2^159932816 is an apocalyptic number.

159932816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

159932816 is a deficient number, since it is larger than the sum of its proper divisors (149937046).

159932816 is an equidigital number, since it uses as much as digits as its factorization.

159932816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9995809 (or 9995803 counting only the distinct ones).

The product of its digits is 116640, while the sum is 44.

The square root of 159932816 is about 12646.4546810559. The cubic root of 159932816 is about 542.8075270839.

The spelling of 159932816 in words is "one hundred fifty-nine million, nine hundred thirty-two thousand, eight hundred sixteen".