6656500224 has 240 divisors, whose sum is σ = 21475437984. Its totient is φ = 1967308800.

The previous prime is 6656500211. The next prime is 6656500231. The reversal of 6656500224 is 4220056566.

It is a super-2 number, since 2×6656500224² = 88617990464224100352, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 2076607 + ... + 2079809.

Almost surely, 2^6656500224 is an apocalyptic number.

6656500224 is a gapful number since it is divisible by the number (64) 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 6656500224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10737718992).

6656500224 is an abundant number, since it is smaller than the sum of its proper divisors (14818937760).

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

6656500224 is a wasteful number, since it uses less digits than its factorization.

6656500224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3279 (or 3260 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The square root of 6656500224 is about 81587.3778473117. The cubic root of 6656500224 is about 1881.1148721549.

The spelling of 6656500224 in words is "six billion, six hundred fifty-six million, five hundred thousand, two hundred twenty-four".