4381078066 has 8 divisors (see below), whose sum is σ = 6572888604. Its totient is φ = 2190115200.

The previous prime is 4381078043. The next prime is 4381078073. The reversal of 4381078066 is 6608701834.

It can be written as a sum of positive squares in 2 ways, for example, as 3390150625 + 990927441 = 58225^2 + 31479^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 198835 + ... + 219766.

Almost surely, 2^4381078066 is an apocalyptic number.

4381078066 is a deficient number, since it is larger than the sum of its proper divisors (2191810538).

4381078066 is a wasteful number, since it uses less digits than its factorization.

4381078066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423836.

The product of its (nonzero) digits is 193536, while the sum is 43.

The square root of 4381078066 is about 66189.7126901152. The cubic root of 4381078066 is about 1636.2902048835.

The spelling of 4381078066 in words is "four billion, three hundred eighty-one million, seventy-eight thousand, sixty-six".