6669946060800 has 456 divisors, whose sum is σ = 24061048765152. Its totient is φ = 1616904192000.

The previous prime is 6669946060763. The next prime is 6669946060807. The reversal of 6669946060800 is 80606499666.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is not an unprimeable number, because it can be changed into a prime (6669946060807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 216253380 + ... + 216284220.

Almost surely, 2^{6669946060800} is an apocalyptic number.

6669946060800 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 6669946060800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12030524382576).

6669946060800 is an abundant number, since it is smaller than the sum of its proper divisors (17391102704352).

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

6669946060800 is an equidigital number, since it uses as much as digits as its factorization.

6669946060800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30901 (or 30862 counting only the distinct ones).

The product of its (nonzero) digits is 20155392, while the sum is 60.

The spelling of 6669946060800 in words is "six trillion, six hundred sixty-nine billion, nine hundred forty-six million, sixty thousand, eight hundred".