6663606246 has 96 divisors (see below), whose sum is σ = 16815685536. Its totient is φ = 1900377600.

The previous prime is 6663606179. The next prime is 6663606251. The reversal of 6663606246 is 6426063666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 399106 + ... + 415466.

It is an arithmetic number, because the mean of its divisors is an integer number (175163391).

Almost surely, 2^6663606246 is an apocalyptic number.

6663606246 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 6663606246, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8407842768).

6663606246 is an abundant number, since it is smaller than the sum of its proper divisors (10152079290).

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

6663606246 is a wasteful number, since it uses less digits than its factorization.

6663606246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16419 (or 16394 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 45.

The square root of 6663606246 is about 81630.9147688546. The cubic root of 6663606246 is about 1881.7840170702.

The spelling of 6663606246 in words is "six billion, six hundred sixty-three million, six hundred six thousand, two hundred forty-six".