159983983 has 2 divisors, whose sum is σ = 159983984. Its totient is φ = 159983982.

The previous prime is 159983959. The next prime is 159984001. The reversal of 159983983 is 389389951.

159983983 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (389389951) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 159983983 - 2¹³ = 159975791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (159983183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79991991 + 79991992.

It is an arithmetic number, because the mean of its divisors is an integer number (79991992).

Almost surely, 2^159983983 is an apocalyptic number.

159983983 is a deficient number, since it is larger than the sum of its proper divisors (1).

159983983 is an equidigital number, since it uses as much as digits as its factorization.

159983983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2099520, while the sum is 55.

The square root of 159983983 is about 12648.4774973117. The cubic root of 159983983 is about 542.8654073699.

The spelling of 159983983 in words is "one hundred fifty-nine million, nine hundred eighty-three thousand, nine hundred eighty-three".