6661868024410 has 16 divisors (see below), whose sum is σ = 11991401316000. Its totient is φ = 2664738571536.

The previous prime is 6661868024381. The next prime is 6661868024411. The reversal of 6661868024410 is 144208681666.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (6661868024411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2835241 + ... + 4621939.

It is an arithmetic number, because the mean of its divisors is an integer number (749462582250).

Almost surely, 2^{6661868024410} is an apocalyptic number.

6661868024410 is a deficient number, since it is larger than the sum of its proper divisors (5329533291590).

6661868024410 is a wasteful number, since it uses less digits than its factorization.

6661868024410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2159565.

The product of its (nonzero) digits is 2654208, while the sum is 52.

The spelling of 6661868024410 in words is "six trillion, six hundred sixty-one billion, eight hundred sixty-eight million, twenty-four thousand, four hundred ten".