159869982 has 16 divisors (see below), whose sum is σ = 330765840. Its totient is φ = 51452352.

The previous prime is 159869981. The next prime is 159869993. The reversal of 159869982 is 289968951.

159869982 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×159869982² = 51116822289360648, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159869981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 459223 + ... + 459570.

It is an arithmetic number, because the mean of its divisors is an integer number (20672865).

Almost surely, 2^159869982 is an apocalyptic number.

159869982 is an abundant number, since it is smaller than the sum of its proper divisors (170895858).

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

159869982 is a wasteful number, since it uses less digits than its factorization.

159869982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 918827.

The product of its digits is 2799360, while the sum is 57.

The square root of 159869982 is about 12643.9701834511. The cubic root of 159869982 is about 542.7364321567.

The spelling of 159869982 in words is "one hundred fifty-nine million, eight hundred sixty-nine thousand, nine hundred eighty-two".