6662120244 has 96 divisors (see below), whose sum is σ = 17130462720. Its totient is φ = 2002710528.

The previous prime is 6662120203. The next prime is 6662120329. The reversal of 6662120244 is 4420212666.

It is a super-2 number, since 2×6662120244² = 88767692291029239072, which contains 22 as substring.

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 31 ways as a sum of consecutive naturals, for example, 1192642 + ... + 1198214.

It is an arithmetic number, because the mean of its divisors is an integer number (178442320).

Almost surely, 2^6662120244 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 6662120244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8565231360).

6662120244 is an abundant number, since it is smaller than the sum of its proper divisors (10468342476).

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

6662120244 is a wasteful number, since it uses less digits than its factorization.

6662120244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5769 (or 5767 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 33.

The square root of 6662120244 is about 81621.8123052901. The cubic root of 6662120244 is about 1881.6441257161.

The spelling of 6662120244 in words is "six billion, six hundred sixty-two million, one hundred twenty thousand, two hundred forty-four".