159881046 has 32 divisors (see below), whose sum is σ = 347010048. Its totient is φ = 48815520.

The previous prime is 159881021. The next prime is 159881083. The reversal of 159881046 is 640188951.

It is a junction number, because it is equal to n+sod(n) for n = 159880989 and 159881007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2395 + ... + 18041.

It is an arithmetic number, because the mean of its divisors is an integer number (10844064).

Almost surely, 2^159881046 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 159881046, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173505024).

159881046 is an abundant number, since it is smaller than the sum of its proper divisors (187129002).

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

159881046 is a wasteful number, since it uses less digits than its factorization.

159881046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15796.

The product of its (nonzero) digits is 69120, while the sum is 42.

The square root of 159881046 is about 12644.4076966855. The cubic root of 159881046 is about 542.7489521168.

The spelling of 159881046 in words is "one hundred fifty-nine million, eight hundred eighty-one thousand, forty-six".