7188116 has 24 divisors (see below), whose sum is σ = 13659240. Its totient is φ = 3290112.

The previous prime is 7188113. The next prime is 7188119. The reversal of 7188116 is 6118817.

It is an interprime number because it is at equal distance from previous prime (7188113) and next prime (7188119).

It can be written as a sum of positive squares in 4 ways, for example, as 144400 + 7043716 = 380^2 + 2654^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7188113) 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 7 ways as a sum of consecutive naturals, for example, 6620 + ... + 7628.

It is an arithmetic number, because the mean of its divisors is an integer number (569135).

Almost surely, 2^7188116 is an apocalyptic number.

It is an amenable number.

7188116 is a deficient number, since it is larger than the sum of its proper divisors (6471124).

7188116 is a wasteful number, since it uses less digits than its factorization.

7188116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1163 (or 1161 counting only the distinct ones).

The product of its digits is 2688, while the sum is 32.

The square root of 7188116 is about 2681.0662058219. The cubic root of 7188116 is about 192.9915788248.

It can be divided in two parts, 718811 and 6, that added together give a palindrome (718817).

The spelling of 7188116 in words is "seven million, one hundred eighty-eight thousand, one hundred sixteen".