159869120 has 28 divisors (see below), whose sum is σ = 380689104. Its totient is φ = 63947520.

The previous prime is 159869089. The next prime is 159869153. The reversal of 159869120 is 21968951.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 249476 + ... + 250115.

Almost surely, 2^159869120 is an apocalyptic number.

159869120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

159869120 is an abundant number, since it is smaller than the sum of its proper divisors (220819984).

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

159869120 is an equidigital number, since it uses as much as digits as its factorization.

159869120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499608 (or 499598 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 41.

The square root of 159869120 is about 12643.9360960106. The cubic root of 159869120 is about 542.7354566981.

The spelling of 159869120 in words is "one hundred fifty-nine million, eight hundred sixty-nine thousand, one hundred twenty".