159271416905 has 16 divisors (see below), whose sum is σ = 197617117824. Its totient is φ = 123147611520.

The previous prime is 159271416901. The next prime is 159271416911. The reversal of 159271416905 is 509614172951.

It is a happy number.

It is not a de Polignac number, because 159271416905 - 2² = 159271416901 is a prime.

It is a super-3 number, since 3×159271416905³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (159271416901) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3608597 + ... + 3652466.

It is an arithmetic number, because the mean of its divisors is an integer number (12351069864).

Almost surely, 2^159271416905 is an apocalyptic number.

It is an amenable number.

159271416905 is a deficient number, since it is larger than the sum of its proper divisors (38345700919).

159271416905 is a wasteful number, since it uses less digits than its factorization.

159271416905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7261216.

The product of its (nonzero) digits is 680400, while the sum is 50.

The spelling of 159271416905 in words is "one hundred fifty-nine billion, two hundred seventy-one million, four hundred sixteen thousand, nine hundred five".