6663362800 has 30 divisors (see below), whose sum is σ = 16008730088. Its totient is φ = 2665344960.

The previous prime is 6663362791. The next prime is 6663362801. The reversal of 6663362800 is 82633666.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6663362801) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8328804 + ... + 8329603.

Almost surely, 2^6663362800 is an apocalyptic number.

It is an amenable number.

6663362800 is an abundant number, since it is smaller than the sum of its proper divisors (9345367288).

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

6663362800 is a wasteful number, since it uses less digits than its factorization.

6663362800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16658425 (or 16658414 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 40.

The square root of 6663362800 is about 81629.4236167327. The cubic root of 6663362800 is about 1881.7611006316.

The spelling of 6663362800 in words is "six billion, six hundred sixty-three million, three hundred sixty-two thousand, eight hundred".