6662248920 has 256 divisors, whose sum is σ = 23544000000. Its totient is φ = 1671031296.

The previous prime is 6662248889. The next prime is 6662248921. The reversal of 6662248920 is 298422666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6662248921) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 3056391 + ... + 3058569.

It is an arithmetic number, because the mean of its divisors is an integer number (91968750).

Almost surely, 2^6662248920 is an apocalyptic number.

6662248920 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 6662248920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11772000000).

6662248920 is an abundant number, since it is smaller than the sum of its proper divisors (16881751080).

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

6662248920 is a wasteful number, since it uses less digits than its factorization.

6662248920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2367 (or 2357 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The square root of 6662248920 is about 81622.6005466623. The cubic root of 6662248920 is about 1881.6562400217.

The spelling of 6662248920 in words is "six billion, six hundred sixty-two million, two hundred forty-eight thousand, nine hundred twenty".