159555071 has 16 divisors (see below), whose sum is σ = 185492160. Its totient is φ = 136012800.

The previous prime is 159555061. The next prime is 159555079. The reversal of 159555071 is 170555951.

It is not a de Polignac number, because 159555071 - 2⁶ = 159555007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159555079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 530 + ... + 17871.

It is an arithmetic number, because the mean of its divisors is an integer number (11593260).

Almost surely, 2^159555071 is an apocalyptic number.

159555071 is a deficient number, since it is larger than the sum of its proper divisors (25937089).

159555071 is a wasteful number, since it uses less digits than its factorization.

159555071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18466.

The product of its (nonzero) digits is 39375, while the sum is 38.

The square root of 159555071 is about 12631.5110339183. The cubic root of 159555071 is about 542.3798381816.

The spelling of 159555071 in words is "one hundred fifty-nine million, five hundred fifty-five thousand, seventy-one".