6623002500 has 120 divisors (see below), whose sum is σ = 19452898080. Its totient is φ = 1753152000.

The previous prime is 6623002493. The next prime is 6623002523. The reversal of 6623002500 is 52003266.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1039324 + ... + 1045676.

It is an arithmetic number, because the mean of its divisors is an integer number (162107484).

Almost surely, 2^6623002500 is an apocalyptic number.

6623002500 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 6623002500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9726449040).

6623002500 is an abundant number, since it is smaller than the sum of its proper divisors (12829895580).

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

6623002500 is a wasteful number, since it uses less digits than its factorization.

6623002500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6519 (or 6502 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 6623002500 is about 81381.8315104790. The cubic root of 6623002500 is about 1877.9540988712.

Adding to 6623002500 its reverse (52003266), we get a palindrome (6675005766).

The spelling of 6623002500 in words is "six billion, six hundred twenty-three million, two thousand, five hundred".