6625561600 has 132 divisors (see below), whose sum is σ = 18770072944. Its totient is φ = 2271559680.

The previous prime is 6625561529. The next prime is 6625561619. The reversal of 6625561600 is 61655266.

It is a self number, because there is not a number n which added to its sum of digits gives 6625561600.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 160714 + ... + 197686.

Almost surely, 2^6625561600 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 6625561600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9385036472).

6625561600 is an abundant number, since it is smaller than the sum of its proper divisors (12144511344).

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

6625561600 is a wasteful number, since it uses less digits than its factorization.

6625561600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37010 (or 36987 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 37.

The square root of 6625561600 is about 81397.5527887663. The cubic root of 6625561600 is about 1878.1959455501.

The spelling of 6625561600 in words is "six billion, six hundred twenty-five million, five hundred sixty-one thousand, six hundred".