2660534216 has 16 divisors (see below), whose sum is σ = 4989068700. Its totient is φ = 1330115904.

The previous prime is 2660534209. The next prime is 2660534341. The reversal of 2660534216 is 6124350662.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2007936100 + 652598116 = 44810^2 + 25546^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99530 + ... + 123398.

Almost surely, 2^2660534216 is an apocalyptic number.

It is an amenable number.

2660534216 is a deficient number, since it is larger than the sum of its proper divisors (2328534484).

2660534216 is a wasteful number, since it uses less digits than its factorization.

2660534216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37808 (or 37804 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 2660534216 is about 51580.3665748897. The cubic root of 2660534216 is about 1385.6587318562.

Adding to 2660534216 its reverse (6124350662), we get a palindrome (8784884878).

The spelling of 2660534216 in words is "two billion, six hundred sixty million, five hundred thirty-four thousand, two hundred sixteen".