159813216 has 48 divisors (see below), whose sum is σ = 466124400. Its totient is φ = 53270784.

The previous prime is 159813163. The next prime is 159813217. The reversal of 159813216 is 612318951.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159813217) 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 in 7 ways as a sum of consecutive naturals, for example, 91621 + ... + 93348.

It is an arithmetic number, because the mean of its divisors is an integer number (9710925).

Almost surely, 2^159813216 is an apocalyptic number.

159813216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

159813216 is an abundant number, since it is smaller than the sum of its proper divisors (306311184).

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

159813216 is a wasteful number, since it uses less digits than its factorization.

159813216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184988 (or 184974 counting only the distinct ones).

The product of its digits is 12960, while the sum is 36.

The square root of 159813216 is about 12641.7251987219. The cubic root of 159813216 is about 542.6721869846.

The spelling of 159813216 in words is "one hundred fifty-nine million, eight hundred thirteen thousand, two hundred sixteen".