2112668066 has 4 divisors (see below), whose sum is σ = 3169002102. Its totient is φ = 1056334032.

The previous prime is 2112668057. The next prime is 2112668071. The reversal of 2112668066 is 6608662112.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1508934025 + 603734041 = 38845^2 + 24571^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 528167015 + ... + 528167018.

Almost surely, 2^2112668066 is an apocalyptic number.

2112668066 is a deficient number, since it is larger than the sum of its proper divisors (1056334036).

2112668066 is a wasteful number, since it uses less digits than its factorization.

2112668066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1056334035.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 2112668066 is about 45963.7690578134. The cubic root of 2112668066 is about 1283.1489983322.

The spelling of 2112668066 in words is "two billion, one hundred twelve million, six hundred sixty-eight thousand, sixty-six".