2665326116 has 12 divisors (see below), whose sum is σ = 4752327132. Its totient is φ = 1307518368.

The previous prime is 2665326109. The next prime is 2665326151. The reversal of 2665326116 is 6116235662.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1417823716 + 1247502400 = 37654^2 + 35320^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2665326116.

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 3 ways as a sum of consecutive naturals, for example, 6285935 + ... + 6286358.

It is an arithmetic number, because the mean of its divisors is an integer number (396027261).

Almost surely, 2^2665326116 is an apocalyptic number.

It is an amenable number.

2665326116 is a deficient number, since it is larger than the sum of its proper divisors (2087001016).

2665326116 is a wasteful number, since it uses less digits than its factorization.

2665326116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12572350 (or 12572348 counting only the distinct ones).

The product of its digits is 77760, while the sum is 38.

The square root of 2665326116 is about 51626.7964917445. The cubic root of 2665326116 is about 1386.4901382725.

The spelling of 2665326116 in words is "two billion, six hundred sixty-five million, three hundred twenty-six thousand, one hundred sixteen".