159806656 has 14 divisors (see below), whose sum is σ = 317116460. Its totient is φ = 79903296.

The previous prime is 159806639. The next prime is 159806657. The reversal of 159806656 is 656608951.

It is not an unprimeable number, because it can be changed into a prime (159806657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1248426 + ... + 1248553.

Almost surely, 2^159806656 is an apocalyptic number.

159806656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

159806656 is a deficient number, since it is larger than the sum of its proper divisors (157309804).

159806656 is an equidigital number, since it uses as much as digits as its factorization.

159806656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2496991 (or 2496981 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 46.

The square root of 159806656 is about 12641.4657378011. The cubic root of 159806656 is about 542.6647616949.

The spelling of 159806656 in words is "one hundred fifty-nine million, eight hundred six thousand, six hundred fifty-six".