66206322306122 has 16 divisors (see below), whose sum is σ = 100937922762600. Its totient is φ = 32560352514240.

The previous prime is 66206322306109. The next prime is 66206322306151. The reversal of 66206322306122 is 22160322360266.

66206322306122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 60999989442001 + 5206332864121 = 7810249^2 + 2281739^2 .

It is a super-2 number, since 2×66206322306122² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 66206322306122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32918504 + ... + 34871772.

Almost surely, 2^{66206322306122} is an apocalyptic number.

66206322306122 is a deficient number, since it is larger than the sum of its proper divisors (34731600456478).

66206322306122 is a wasteful number, since it uses less digits than its factorization.

66206322306122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2231161.

The product of its (nonzero) digits is 373248, while the sum is 41.

Adding to 66206322306122 its reverse (22160322360266), we get a palindrome (88366644666388).

The spelling of 66206322306122 in words is "sixty-six trillion, two hundred six billion, three hundred twenty-two million, three hundred six thousand, one hundred twenty-two".