71516067171 has 16 divisors (see below), whose sum is σ = 96367776288. Its totient is φ = 47171174400.

The previous prime is 71516067163. The next prime is 71516067199. The reversal of 71516067171 is 17176061517.

It is not a de Polignac number, because 71516067171 - 2³ = 71516067163 is a prime.

It is a super-2 number, since 2×71516067171² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (71516067131) 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, 941491 + ... + 1014611.

It is an arithmetic number, because the mean of its divisors is an integer number (6022986018).

Almost surely, 2^71516067171 is an apocalyptic number.

71516067171 is a deficient number, since it is larger than the sum of its proper divisors (24851709117).

71516067171 is a wasteful number, since it uses less digits than its factorization.

71516067171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76582.

The product of its (nonzero) digits is 61740, while the sum is 42.

The spelling of 71516067171 in words is "seventy-one billion, five hundred sixteen million, sixty-seven thousand, one hundred seventy-one".