116505171 has 12 divisors (see below), whose sum is σ = 170416480. Its totient is φ = 76686480.

The previous prime is 116505167. The next prime is 116505187. The reversal of 116505171 is 171505611.

It is a happy number.

116505171 is a `hidden beast` number, since 1 + 1 + 650 + 5 + 1 + 7 + 1 = 666.

It is not a de Polignac number, because 116505171 - 2² = 116505167 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (116505121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 81220 + ... + 82641.

Almost surely, 2^116505171 is an apocalyptic number.

116505171 is a deficient number, since it is larger than the sum of its proper divisors (53911309).

116505171 is a wasteful number, since it uses less digits than its factorization.

116505171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163946 (or 163943 counting only the distinct ones).

The product of its (nonzero) digits is 1050, while the sum is 27.

The square root of 116505171 is about 10793.7561117528. The cubic root of 116505171 is about 488.4068359452.

The spelling of 116505171 in words is "one hundred sixteen million, five hundred five thousand, one hundred seventy-one".