159921480 has 64 divisors (see below), whose sum is σ = 505022400. Its totient is φ = 40400640.

The previous prime is 159921479. The next prime is 159921497. The reversal of 159921480 is 84129951.

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, 32791 + ... + 37350.

It is an arithmetic number, because the mean of its divisors is an integer number (7890975).

Almost surely, 2^159921480 is an apocalyptic number.

159921480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

159921480 is an abundant number, since it is smaller than the sum of its proper divisors (345100920).

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

159921480 is a wasteful number, since it uses less digits than its factorization.

159921480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70174 (or 70170 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 39.

The square root of 159921480 is about 12646.0064842621. The cubic root of 159921480 is about 542.7947020914.

The spelling of 159921480 in words is "one hundred fifty-nine million, nine hundred twenty-one thousand, four hundred eighty".