2185416117 has 12 divisors (see below), whose sum is σ = 3203828160. Its totient is φ = 1435198248.

The previous prime is 2185416097. The next prime is 2185416161. The reversal of 2185416117 is 7116145812.

It is not a de Polignac number, because 2185416117 - 2⁶ = 2185416053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2185416217) 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, 1811517 + ... + 1812722.

It is an arithmetic number, because the mean of its divisors is an integer number (266985680).

Almost surely, 2^2185416117 is an apocalyptic number.

It is an amenable number.

2185416117 is a deficient number, since it is larger than the sum of its proper divisors (1018412043).

2185416117 is a wasteful number, since it uses less digits than its factorization.

2185416117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3624312 (or 3624309 counting only the distinct ones).

The product of its digits is 13440, while the sum is 36.

The square root of 2185416117 is about 46748.4343802014. The cubic root of 2185416117 is about 1297.7111830625.

The spelling of 2185416117 in words is "two billion, one hundred eighty-five million, four hundred sixteen thousand, one hundred seventeen".