159221922080 has 96 divisors (see below), whose sum is σ = 405359431344. Its totient is φ = 58751594496.

The previous prime is 159221922073. The next prime is 159221922127. The reversal of 159221922080 is 80229122951.

It can be written as a sum of positive squares in 8 ways, for example, as 20537182864 + 138684739216 = 143308^2 + 372404^2 .

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, 3297794 + ... + 3345726.

Almost surely, 2^159221922080 is an apocalyptic number.

159221922080 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 159221922080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (202679715672).

159221922080 is an abundant number, since it is smaller than the sum of its proper divisors (246137509264).

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

159221922080 is a wasteful number, since it uses less digits than its factorization.

159221922080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49558 (or 49550 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 41.

The spelling of 159221922080 in words is "one hundred fifty-nine billion, two hundred twenty-one million, nine hundred twenty-two thousand, eighty".