159719931980 has 24 divisors (see below), whose sum is σ = 383327837088. Its totient is φ = 54761119488.

The previous prime is 159719931841. The next prime is 159719931991. The reversal of 159719931980 is 89139917951.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 570428189 + ... + 570428468.

It is an arithmetic number, because the mean of its divisors is an integer number (15971993212).

Almost surely, 2^159719931980 is an apocalyptic number.

159719931980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

159719931980 is an abundant number, since it is smaller than the sum of its proper divisors (223607905108).

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

159719931980 is a wasteful number, since it uses less digits than its factorization.

159719931980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1140856673 (or 1140856671 counting only the distinct ones).

The product of its (nonzero) digits is 5511240, while the sum is 62.

The spelling of 159719931980 in words is "one hundred fifty-nine billion, seven hundred nineteen million, nine hundred thirty-one thousand, nine hundred eighty".