159319983 has 8 divisors (see below), whose sum is σ = 215909296. Its totient is φ = 104472000.

The previous prime is 159319969. The next prime is 159319987. The reversal of 159319983 is 389913951.

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

It is not a de Polignac number, because 159319983 - 2¹² = 159315887 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 (159319987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 435118 + ... + 435483.

It is an arithmetic number, because the mean of its divisors is an integer number (26988662).

Almost surely, 2^159319983 is an apocalyptic number.

159319983 is a deficient number, since it is larger than the sum of its proper divisors (56589313).

159319983 is an equidigital number, since it uses as much as digits as its factorization.

159319983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 870665.

The product of its digits is 262440, while the sum is 48.

The square root of 159319983 is about 12622.2019869752. The cubic root of 159319983 is about 542.1133269289.

The spelling of 159319983 in words is "one hundred fifty-nine million, three hundred nineteen thousand, nine hundred eighty-three".