116671185 has 20 divisors (see below), whose sum is σ = 209144628. Its totient is φ = 62224416.

The previous prime is 116671183. The next prime is 116671189. The reversal of 116671185 is 581176611.

It can be written as a sum of positive squares in 2 ways, for example, as 56205009 + 60466176 = 7497^2 + 7776^2 .

It is not a de Polignac number, because 116671185 - 2¹ = 116671183 is a prime.

It is a super-2 number, since 2×116671185² = 27224330818608450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (116671183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 143634 + ... + 144443.

Almost surely, 2^116671185 is an apocalyptic number.

116671185 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

116671185 is a deficient number, since it is larger than the sum of its proper divisors (92473443).

116671185 is an equidigital number, since it uses as much as digits as its factorization.

116671185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288094 (or 288085 counting only the distinct ones).

The product of its digits is 10080, while the sum is 36.

The square root of 116671185 is about 10801.4436535122. The cubic root of 116671185 is about 488.6387108896.

The spelling of 116671185 in words is "one hundred sixteen million, six hundred seventy-one thousand, one hundred eighty-five".