6663379632 has 320 divisors, whose sum is σ = 21868600320. Its totient is φ = 1701752832.

The previous prime is 6663379621. The next prime is 6663379633. The reversal of 6663379632 is 2369733666.

It is not an unprimeable number, because it can be changed into a prime (6663379633) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 24770794 + ... + 24771062.

It is an arithmetic number, because the mean of its divisors is an integer number (68339376).

Almost surely, 2^6663379632 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6663379632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10934300160).

6663379632 is an abundant number, since it is smaller than the sum of its proper divisors (15205220688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6663379632 is a wasteful number, since it uses less digits than its factorization.

6663379632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460 (or 454 counting only the distinct ones).

The product of its digits is 4408992, while the sum is 51.

The square root of 6663379632 is about 81629.5267167463. The cubic root of 6663379632 is about 1881.7626851056.

The spelling of 6663379632 in words is "six billion, six hundred sixty-three million, three hundred seventy-nine thousand, six hundred thirty-two".