66224204064244 has 12 divisors (see below), whose sum is σ = 116398437276100. Its totient is φ = 32967507699648.

The previous prime is 66224204064229. The next prime is 66224204064307. The reversal of 66224204064244 is 44246040242266.

It can be written as a sum of positive squares in 2 ways, for example, as 61521464847844 + 4702739216400 = 7843562^2 + 2168580^2 .

It is a junction number, because it is equal to n+sod(n) for n = 66224204064194 and 66224204064203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36148582089 + ... + 36148583920.

Almost surely, 2^{66224204064244} is an apocalyptic number.

It is an amenable number.

66224204064244 is a deficient number, since it is larger than the sum of its proper divisors (50174233211856).

66224204064244 is a wasteful number, since it uses less digits than its factorization.

66224204064244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72297166242 (or 72297166240 counting only the distinct ones).

The product of its (nonzero) digits is 3538944, while the sum is 46.

The spelling of 66224204064244 in words is "sixty-six trillion, two hundred twenty-four billion, two hundred four million, sixty-four thousand, two hundred forty-four".