71117163 has 16 divisors (see below), whose sum is σ = 113463840. Its totient is φ = 43764192.

The previous prime is 71117129. The next prime is 71117177. The reversal of 71117163 is 36171117.

It is not a de Polignac number, because 71117163 - 2⁸ = 71116907 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (71117113) 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, 100956 + ... + 101657.

It is an arithmetic number, because the mean of its divisors is an integer number (7091490).

Almost surely, 2^71117163 is an apocalyptic number.

71117163 is a deficient number, since it is larger than the sum of its proper divisors (42346677).

71117163 is a wasteful number, since it uses less digits than its factorization.

71117163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202635 (or 202629 counting only the distinct ones).

The product of its digits is 882, while the sum is 27.

The square root of 71117163 is about 8433.0992523508. The cubic root of 71117163 is about 414.3094200183.

The spelling of 71117163 in words is "seventy-one million, one hundred seventeen thousand, one hundred sixty-three".