159944983 has 8 divisors (see below), whose sum is σ = 183669120. Its totient is φ = 137751480.

The previous prime is 159944957. The next prime is 159944987. The reversal of 159944983 is 389449951.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-159944983 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 159944983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159944987) 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 in 7 ways as a sum of consecutive naturals, for example, 382435 + ... + 382852.

It is an arithmetic number, because the mean of its divisors is an integer number (22958640).

Almost surely, 2^159944983 is an apocalyptic number.

159944983 is a deficient number, since it is larger than the sum of its proper divisors (23724137).

159944983 is a wasteful number, since it uses less digits than its factorization.

159944983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765317.

The product of its digits is 1399680, while the sum is 52.

The square root of 159944983 is about 12646.9357158167. The cubic root of 159944983 is about 542.8212915547.

The spelling of 159944983 in words is "one hundred fifty-nine million, nine hundred forty-four thousand, nine hundred eighty-three".