159233647320 has 768 divisors, whose sum is σ = 614898086400. Its totient is φ = 35324190720.

The previous prime is 159233647253. The next prime is 159233647381. The reversal of 159233647320 is 23746332951.

159233647320 is a `hidden beast` number, since 1 + 59 + 233 + 6 + 47 + 320 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 291103287 + ... + 291103833.

It is an arithmetic number, because the mean of its divisors is an integer number (800648550).

Almost surely, 2^159233647320 is an apocalyptic number.

159233647320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 159233647320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (307449043200).

159233647320 is an abundant number, since it is smaller than the sum of its proper divisors (455664439080).

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

159233647320 is a wasteful number, since it uses less digits than its factorization.

159233647320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720 (or 713 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 45.

The spelling of 159233647320 in words is "one hundred fifty-nine billion, two hundred thirty-three million, six hundred forty-seven thousand, three hundred twenty".