4066663226 has 4 divisors (see below), whose sum is σ = 6099994842. Its totient is φ = 2033331612.

The previous prime is 4066663217. The next prime is 4066663253. The reversal of 4066663226 is 6223666604.

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., 4045087201 + 21576025 = 63601^2 + 4645^2 .

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, 1016665805 + ... + 1016665808.

Almost surely, 2^4066663226 is an apocalyptic number.

4066663226 is a deficient number, since it is larger than the sum of its proper divisors (2033331616).

4066663226 is a wasteful number, since it uses less digits than its factorization.

4066663226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2033331615.

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

The square root of 4066663226 is about 63770.3945887118. The cubic root of 4066663226 is about 1596.1709513535.

The spelling of 4066663226 in words is "four billion, sixty-six million, six hundred sixty-three thousand, two hundred twenty-six".