159386997 has 16 divisors (see below), whose sum is σ = 264955392. Its totient is φ = 82798320.

The previous prime is 159386963. The next prime is 159387001. The reversal of 159386997 is 799683951.

It is not a de Polignac number, because 159386997 - 2⁶ = 159386933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159386597) 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 15 ways as a sum of consecutive naturals, for example, 344763 + ... + 345224.

It is an arithmetic number, because the mean of its divisors is an integer number (16559712).

Almost surely, 2^159386997 is an apocalyptic number.

It is an amenable number.

159386997 is a deficient number, since it is larger than the sum of its proper divisors (105568395).

159386997 is a wasteful number, since it uses less digits than its factorization.

159386997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690008.

The product of its digits is 3674160, while the sum is 57.

The square root of 159386997 is about 12624.8563160141. The cubic root of 159386997 is about 542.1893251168.

The spelling of 159386997 in words is "one hundred fifty-nine million, three hundred eighty-six thousand, nine hundred ninety-seven".