4066011778 has 8 divisors (see below), whose sum is σ = 6127923600. Its totient is φ = 2023370580.

The previous prime is 4066011773. The next prime is 4066011797. The reversal of 4066011778 is 8771106604.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 4066011778.

It is not an unprimeable number, because it can be changed into a prime (4066011773) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4817128 + ... + 4817971.

It is an arithmetic number, because the mean of its divisors is an integer number (765990450).

Almost surely, 2^4066011778 is an apocalyptic number.

4066011778 is a deficient number, since it is larger than the sum of its proper divisors (2061911822).

4066011778 is a wasteful number, since it uses less digits than its factorization.

4066011778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9635312.

The product of its (nonzero) digits is 56448, while the sum is 40.

The square root of 4066011778 is about 63765.2866221113. The cubic root of 4066011778 is about 1596.0857153877.

The spelling of 4066011778 in words is "four billion, sixty-six million, eleven thousand, seven hundred seventy-eight".