159980900 has 18 divisors (see below), whose sum is σ = 347158770. Its totient is φ = 63992320.

The previous prime is 159980867. The next prime is 159980917. The reversal of 159980900 is 9089951.

It can be written as a sum of positive squares in 3 ways, for example, as 7606564 + 152374336 = 2758^2 + 12344^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 799805 + ... + 800004.

Almost surely, 2^159980900 is an apocalyptic number.

159980900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

159980900 is an abundant number, since it is smaller than the sum of its proper divisors (187177870).

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

159980900 is a wasteful number, since it uses less digits than its factorization.

159980900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1599823 (or 1599816 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 41.

The square root of 159980900 is about 12648.3556243490. The cubic root of 159980900 is about 542.8619202191.

The spelling of 159980900 in words is "one hundred fifty-nine million, nine hundred eighty thousand, nine hundred".