159698983 has 2 divisors, whose sum is σ = 159698984. Its totient is φ = 159698982.

The previous prime is 159698941. The next prime is 159699041. The reversal of 159698983 is 389896951.

It is an a-pointer prime, because the next prime (159699041) can be obtained adding 159698983 to its sum of digits (58).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-159698983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (159698083) by changing a digit.

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 as a sum of consecutive naturals, namely, 79849491 + 79849492.

It is an arithmetic number, because the mean of its divisors is an integer number (79849492).

Almost surely, 2^159698983 is an apocalyptic number.

159698983 is a deficient number, since it is larger than the sum of its proper divisors (1).

159698983 is an equidigital number, since it uses as much as digits as its factorization.

159698983 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4199040, while the sum is 58.

The square root of 159698983 is about 12637.2062972795. The cubic root of 159698983 is about 542.5428571549.

The spelling of 159698983 in words is "one hundred fifty-nine million, six hundred ninety-eight thousand, nine hundred eighty-three".