4066606668773 has 32 divisors (see below), whose sum is σ = 4703723937792. Its totient is φ = 3481168219200.

The previous prime is 4066606668769. The next prime is 4066606668797. The reversal of 4066606668773 is 3778666066604.

It is a cyclic number.

It is not a de Polignac number, because 4066606668773 - 2² = 4066606668769 is a prime.

It is a super-2 number, since 2×4066606668773² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4066606668763) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3329111 + ... + 4383627.

It is an arithmetic number, because the mean of its divisors is an integer number (146991373056).

Almost surely, 2^{4066606668773} is an apocalyptic number.

4066606668773 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

4066606668773 is a deficient number, since it is larger than the sum of its proper divisors (637117269019).

4066606668773 is a wasteful number, since it uses less digits than its factorization.

4066606668773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1054865.

The product of its (nonzero) digits is 219469824, while the sum is 65.

The spelling of 4066606668773 in words is "four trillion, sixty-six billion, six hundred six million, six hundred sixty-eight thousand, seven hundred seventy-three".