159670871 has 4 divisors (see below), whose sum is σ = 160627152. Its totient is φ = 158714592.

The previous prime is 159670867. The next prime is 159670879. The reversal of 159670871 is 178076951.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 159670871 - 2² = 159670867 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159670879) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 477890 + ... + 478223.

It is an arithmetic number, because the mean of its divisors is an integer number (40156788).

Almost surely, 2^159670871 is an apocalyptic number.

159670871 is a deficient number, since it is larger than the sum of its proper divisors (956281).

159670871 is an equidigital number, since it uses as much as digits as its factorization.

159670871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 956280.

The product of its (nonzero) digits is 105840, while the sum is 44.

The square root of 159670871 is about 12636.0939771751. The cubic root of 159670871 is about 542.5110204674.

The spelling of 159670871 in words is "one hundred fifty-nine million, six hundred seventy thousand, eight hundred seventy-one".