66068224886 has 16 divisors (see below), whose sum is σ = 104356892160. Its totient is φ = 31283882280.

The previous prime is 66068224843. The next prime is 66068224897. The reversal of 66068224886 is 68842286066.

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, 217646 + ... + 423681.

It is an arithmetic number, because the mean of its divisors is an integer number (6522305760).

Almost surely, 2^66068224886 is an apocalyptic number.

66068224886 is a deficient number, since it is larger than the sum of its proper divisors (38288667274).

66068224886 is a wasteful number, since it uses less digits than its factorization.

66068224886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644059.

The product of its (nonzero) digits is 10616832, while the sum is 56.

The spelling of 66068224886 in words is "sixty-six billion, sixty-eight million, two hundred twenty-four thousand, eight hundred eighty-six".