159999067 has 4 divisors (see below), whose sum is σ = 161552560. Its totient is φ = 158445576.

The previous prime is 159999043. The next prime is 159999079. The reversal of 159999067 is 760999951.

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 159999067 - 2⁷ = 159998939 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 159998999 and 159999017.

It is not an unprimeable number, because it can be changed into a prime (159999167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 776592 + ... + 776797.

It is an arithmetic number, because the mean of its divisors is an integer number (40388140).

Almost surely, 2^159999067 is an apocalyptic number.

159999067 is a deficient number, since it is larger than the sum of its proper divisors (1553493).

159999067 is a wasteful number, since it uses less digits than its factorization.

159999067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1553492.

The product of its (nonzero) digits is 1377810, while the sum is 55.

The square root of 159999067 is about 12649.0737605565. The cubic root of 159999067 is about 542.8824680871.

The spelling of 159999067 in words is "one hundred fifty-nine million, nine hundred ninety-nine thousand, sixty-seven".