159233816 has 64 divisors (see below), whose sum is σ = 353548800. Its totient is φ = 65818368.

The previous prime is 159233803. The next prime is 159233843. The reversal of 159233816 is 618332951.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 159233816.

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, 213941 + ... + 214683.

It is an arithmetic number, because the mean of its divisors is an integer number (5524200).

Almost surely, 2^159233816 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 159233816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176774400).

159233816 is an abundant number, since it is smaller than the sum of its proper divisors (194314984).

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

159233816 is a wasteful number, since it uses less digits than its factorization.

159233816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 888 (or 884 counting only the distinct ones).

The product of its digits is 38880, while the sum is 38.

The square root of 159233816 is about 12618.7882144047. The cubic root of 159233816 is about 542.0155766823.

The spelling of 159233816 in words is "one hundred fifty-nine million, two hundred thirty-three thousand, eight hundred sixteen".