6662646353 has 24 divisors (see below), whose sum is σ = 7407878688. Its totient is φ = 5987520000.

The previous prime is 6662646311. The next prime is 6662646359. The reversal of 6662646353 is 3536462666.

It is not a de Polignac number, because 6662646353 - 2¹⁶ = 6662580817 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6662646298 and 6662646307.

It is not an unprimeable number, because it can be changed into a prime (6662646359) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4160753 + ... + 4162353.

It is an arithmetic number, because the mean of its divisors is an integer number (308661612).

Almost surely, 2^6662646353 is an apocalyptic number.

It is an amenable number.

6662646353 is a deficient number, since it is larger than the sum of its proper divisors (745232335).

6662646353 is a wasteful number, since it uses less digits than its factorization.

6662646353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1997 (or 1986 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 47.

The square root of 6662646353 is about 81625.0350872819. The cubic root of 6662646353 is about 1881.6936556863.

The spelling of 6662646353 in words is "six billion, six hundred sixty-two million, six hundred forty-six thousand, three hundred fifty-three".