6625764800 has 84 divisors (see below), whose sum is σ = 16372124736. Its totient is φ = 2639155200.

The previous prime is 6625764749. The next prime is 6625764809. The reversal of 6625764800 is 84675266.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6625764809) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 377009 + ... + 394191.

Almost surely, 2^6625764800 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 6625764800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8186062368).

6625764800 is an abundant number, since it is smaller than the sum of its proper divisors (9746359936).

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

6625764800 is a wasteful number, since it uses less digits than its factorization.

6625764800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17446 (or 17431 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 44.

The square root of 6625764800 is about 81398.8009739701. The cubic root of 6625764800 is about 1878.2151462125.

The spelling of 6625764800 in words is "six billion, six hundred twenty-five million, seven hundred sixty-four thousand, eight hundred".