2665432116 has 48 divisors (see below), whose sum is σ = 7040779200. Its totient is φ = 871711776.

The previous prime is 2665432109. The next prime is 2665432127. The reversal of 2665432116 is 6112345662.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 227106 + ... + 238553.

It is an arithmetic number, because the mean of its divisors is an integer number (146682900).

Almost surely, 2^2665432116 is an apocalyptic number.

It is an amenable number.

2665432116 is an abundant number, since it is smaller than the sum of its proper divisors (4375347084).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2665432116 is a wasteful number, since it uses less digits than its factorization.

2665432116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465725 (or 465717 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 2665432116 is about 51627.8230801958. The cubic root of 2665432116 is about 1386.5085182631.

Adding to 2665432116 its reverse (6112345662), we get a palindrome (8777777778).

The spelling of 2665432116 in words is "two billion, six hundred sixty-five million, four hundred thirty-two thousand, one hundred sixteen".