6663008784412 has 24 divisors (see below), whose sum is σ = 11729837324016. Its totient is φ = 3311633824128.

The previous prime is 6663008784373. The next prime is 6663008784503. The reversal of 6663008784412 is 2144878003666.

It is a happy number.

It is a super-2 number, since 2×6663008784412² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2859823 + ... + 4637305.

It is an arithmetic number, because the mean of its divisors is an integer number (488743221834).

Almost surely, 2^{6663008784412} is an apocalyptic number.

It is an amenable number.

6663008784412 is a deficient number, since it is larger than the sum of its proper divisors (5066828539604).

6663008784412 is a wasteful number, since it uses less digits than its factorization.

6663008784412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1783077 (or 1783075 counting only the distinct ones).

The product of its (nonzero) digits is 9289728, while the sum is 55.

The spelling of 6663008784412 in words is "six trillion, six hundred sixty-three billion, eight million, seven hundred eighty-four thousand, four hundred twelve".