71532047163 has 16 divisors (see below), whose sum is σ = 96690788640. Its totient is φ = 47033369856.

The previous prime is 71532047141. The next prime is 71532047189. The reversal of 71532047163 is 36174023517.

It is not a de Polignac number, because 71532047163 - 2¹³ = 71532038971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (71532047113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 231420 + ... + 443417.

It is an arithmetic number, because the mean of its divisors is an integer number (6043174290).

Almost surely, 2^71532047163 is an apocalyptic number.

71532047163 is a deficient number, since it is larger than the sum of its proper divisors (25158741477).

71532047163 is a wasteful number, since it uses less digits than its factorization.

71532047163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 675326.

The product of its (nonzero) digits is 105840, while the sum is 39.

The spelling of 71532047163 in words is "seventy-one billion, five hundred thirty-two million, forty-seven thousand, one hundred sixty-three".