159180987 has 8 divisors (see below), whose sum is σ = 242561536. Its totient is φ = 90960552.

The previous prime is 159180943. The next prime is 159181003. The reversal of 159180987 is 789081951.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 159180987 - 2⁷ = 159180859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (159180187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3790003 + ... + 3790044.

It is an arithmetic number, because the mean of its divisors is an integer number (30320192).

Almost surely, 2^159180987 is an apocalyptic number.

159180987 is a deficient number, since it is larger than the sum of its proper divisors (83380549).

159180987 is an equidigital number, since it uses as much as digits as its factorization.

159180987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7580057.

The product of its (nonzero) digits is 181440, while the sum is 48.

The square root of 159180987 is about 12616.6947731963. The cubic root of 159180987 is about 541.9556285531.

The spelling of 159180987 in words is "one hundred fifty-nine million, one hundred eighty thousand, nine hundred eighty-seven".