6661024012244 has 18 divisors (see below), whose sum is σ = 13559941739610. Its totient is φ = 2854724576592.

The previous prime is 6661024012109. The next prime is 6661024012273. The reversal of 6661024012244 is 4422104201666.

It can be written as a sum of positive squares in only one way, i.e., 6353928490000 + 307095522244 = 2520700^2 + 554162^2 .

It is a junction number, because it is equal to n+sod(n) for n = 6661024012198 and 6661024012207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16992407999 + ... + 16992408390.

It is an arithmetic number, because the mean of its divisors is an integer number (753330096645).

Almost surely, 2^{6661024012244} is an apocalyptic number.

It is an amenable number.

6661024012244 is an abundant number, since it is smaller than the sum of its proper divisors (6898917727366).

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

6661024012244 is a wasteful number, since it uses less digits than its factorization.

6661024012244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33984816407 (or 33984816398 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 38.

The spelling of 6661024012244 in words is "six trillion, six hundred sixty-one billion, twenty-four million, twelve thousand, two hundred forty-four".