159791216 has 40 divisors (see below), whose sum is σ = 350967120. Its totient is φ = 69866496.

The previous prime is 159791207. The next prime is 159791239. The reversal of 159791216 is 612197951.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 16265 + ... + 24168.

It is an arithmetic number, because the mean of its divisors is an integer number (8774178).

Almost surely, 2^159791216 is an apocalyptic number.

159791216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

159791216 is an abundant number, since it is smaller than the sum of its proper divisors (191175904).

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

159791216 is a wasteful number, since it uses less digits than its factorization.

159791216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40473 (or 40467 counting only the distinct ones).

The product of its digits is 34020, while the sum is 41.

The square root of 159791216 is about 12640.8550343717. The cubic root of 159791216 is about 542.6472842965.

It can be divided in two parts, 15979 and 1216, that multiplied together give a square (19430464 = 4408²).

The spelling of 159791216 in words is "one hundred fifty-nine million, seven hundred ninety-one thousand, two hundred sixteen".