6626220600 has 96 divisors (see below), whose sum is σ = 20561005440. Its totient is φ = 1765296000.

The previous prime is 6626220583. The next prime is 6626220637. The reversal of 6626220600 is 60226266.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 697885 + ... + 707315.

It is an arithmetic number, because the mean of its divisors is an integer number (214177140).

Almost surely, 2^6626220600 is an apocalyptic number.

6626220600 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6626220600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10280502720).

6626220600 is an abundant number, since it is smaller than the sum of its proper divisors (13934784840).

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

6626220600 is a wasteful number, since it uses less digits than its factorization.

6626220600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10621 (or 10612 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 6626220600 is about 81401.6007213617. The cubic root of 6626220600 is about 1878.2582139871.

Adding to 6626220600 its reverse (60226266), we get a palindrome (6686446866).

The spelling of 6626220600 in words is "six billion, six hundred twenty-six million, two hundred twenty thousand, six hundred".