66220206322214 has 12 divisors (see below), whose sum is σ = 115547502868524. Its totient is φ = 28380088423764.

The previous prime is 66220206322157. The next prime is 66220206322223. The reversal of 66220206322214 is 41222360202266.

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, 337858195424 + ... + 337858195619.

It is an arithmetic number, because the mean of its divisors is an integer number (9628958572377).

Almost surely, 2^{66220206322214} is an apocalyptic number.

66220206322214 is a deficient number, since it is larger than the sum of its proper divisors (49327296546310).

66220206322214 is a wasteful number, since it uses less digits than its factorization.

66220206322214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 675716391059 (or 675716391052 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 38.

The spelling of 66220206322214 in words is "sixty-six trillion, two hundred twenty billion, two hundred six million, three hundred twenty-two thousand, two hundred fourteen".