6623205552 has 60 divisors (see below), whose sum is σ = 19133717824. Its totient is φ = 2136516480.

The previous prime is 6623205529. The next prime is 6623205553. The reversal of 6623205552 is 2555023266.

6623205552 is a `hidden beast` number, since 6 + 623 + 20 + 5 + 5 + 5 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (6623205553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 737383 + ... + 746310.

Almost surely, 2^6623205552 is an apocalyptic number.

6623205552 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

6623205552 is an abundant number, since it is smaller than the sum of its proper divisors (12510512272).

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

6623205552 is a wasteful number, since it uses less digits than its factorization.

6623205552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1483738 (or 1483729 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

The square root of 6623205552 is about 81383.0790275227. The cubic root of 6623205552 is about 1877.9732904911.

The spelling of 6623205552 in words is "six billion, six hundred twenty-three million, two hundred five thousand, five hundred fifty-two".