6618697832 has 16 divisors (see below), whose sum is σ = 12454864260. Its totient is φ = 3297400704.

The previous prime is 6618697819. The next prime is 6618697843. The reversal of 6618697832 is 2387968166.

It can be written as a sum of positive squares in 2 ways, for example, as 5911456996 + 707240836 = 76886^2 + 26594^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1491173 + ... + 1495604.

Almost surely, 2^6618697832 is an apocalyptic number.

It is an amenable number.

6618697832 is a deficient number, since it is larger than the sum of its proper divisors (5836166428).

6618697832 is a wasteful number, since it uses less digits than its factorization.

6618697832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2987060 (or 2987056 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 56.

The square root of 6618697832 is about 81355.3798589866. The cubic root of 6618697832 is about 1877.5471474440.

The spelling of 6618697832 in words is "six billion, six hundred eighteen million, six hundred ninety-seven thousand, eight hundred thirty-two".