6663652239 has 8 divisors (see below), whose sum is σ = 8885849472. Its totient is φ = 4441944920.

The previous prime is 6663652217. The next prime is 6663652243. The reversal of 6663652239 is 9322563666.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6663652239 - 2⁸ = 6663651983 is a prime.

It is a super-2 number, since 2×6663652239² = 88808522324659426242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6663652249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89469 + ... + 146054.

It is an arithmetic number, because the mean of its divisors is an integer number (1110731184).

Almost surely, 2^6663652239 is an apocalyptic number.

6663652239 is a deficient number, since it is larger than the sum of its proper divisors (2222197233).

6663652239 is a wasteful number, since it uses less digits than its factorization.

6663652239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244957.

The product of its digits is 2099520, while the sum is 48.

The square root of 6663652239 is about 81631.1964814923. The cubic root of 6663652239 is about 1881.7883464923.

The spelling of 6663652239 in words is "six billion, six hundred sixty-three million, six hundred fifty-two thousand, two hundred thirty-nine".