4066729227806 has 16 divisors (see below), whose sum is σ = 6972718178016. Its totient is φ = 1742588365056.

The previous prime is 4066729227761. The next prime is 4066729227823. The reversal of 4066729227806 is 6087229276604.

It is a happy number.

It is a super-2 number, since 2×4066729227806² (a number of 26 digits) contains 22 as substring.

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, 24546971 + ... + 24712086.

It is an arithmetic number, because the mean of its divisors is an integer number (435794886126).

Almost surely, 2^{4066729227806} is an apocalyptic number.

4066729227806 is a deficient number, since it is larger than the sum of its proper divisors (2905988950210).

4066729227806 is a wasteful number, since it uses less digits than its factorization.

4066729227806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49264963.

The product of its (nonzero) digits is 24385536, while the sum is 59.

The spelling of 4066729227806 in words is "four trillion, sixty-six billion, seven hundred twenty-nine million, two hundred twenty-seven thousand, eight hundred six".