6625100000 has 144 divisors (see below), whose sum is σ = 16495100496. Its totient is φ = 2618880000.

The previous prime is 6625099981. The next prime is 6625100003. The reversal of 6625100000 is 15266.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6625100003) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9699659 + ... + 9700341.

It is an arithmetic number, because the mean of its divisors is an integer number (114549309).

Almost surely, 2^6625100000 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 6625100000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8247550248).

6625100000 is an abundant number, since it is smaller than the sum of its proper divisors (9870000496).

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

6625100000 is an frugal number, since it uses more digits than its factorization.

6625100000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 815 (or 787 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 6625100000 is about 81394.7172732973. The cubic root of 6625100000 is about 1878.1523268385.

Adding to 6625100000 its reverse (15266), we get a palindrome (6625115266).

The spelling of 6625100000 in words is "six billion, six hundred twenty-five million, one hundred thousand".