116009185 has 8 divisors (see below), whose sum is σ = 139280040. Its totient is φ = 92761344.

The previous prime is 116009167. The next prime is 116009197. The reversal of 116009185 is 581900611.

It can be written as a sum of positive squares in 4 ways, for example, as 1347921 + 114661264 = 1161^2 + 10708^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 116009185 - 2⁷ = 116009057 is a prime.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 8599 + ... + 17491.

It is an arithmetic number, because the mean of its divisors is an integer number (17410005).

Almost surely, 2^116009185 is an apocalyptic number.

It is an amenable number.

116009185 is a deficient number, since it is larger than the sum of its proper divisors (23270855).

116009185 is an equidigital number, since it uses as much as digits as its factorization.

116009185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11507.

The product of its (nonzero) digits is 2160, while the sum is 31.

The square root of 116009185 is about 10770.7560087489. The cubic root of 116009185 is about 487.7127679617.

Adding to 116009185 its reverse (581900611), we get a palindrome (697909796).

The spelling of 116009185 in words is "one hundred sixteen million, nine thousand, one hundred eighty-five".