4063645666 has 8 divisors (see below), whose sum is σ = 6181320384. Its totient is φ = 2003205540.

The previous prime is 4063645631. The next prime is 4063645699. The reversal of 4063645666 is 6665463604.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14308470 + ... + 14308753.

It is an arithmetic number, because the mean of its divisors is an integer number (772665048).

Almost surely, 2^4063645666 is an apocalyptic number.

4063645666 is a deficient number, since it is larger than the sum of its proper divisors (2117674718).

4063645666 is a wasteful number, since it uses less digits than its factorization.

4063645666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28617296.

The product of its (nonzero) digits is 1866240, while the sum is 46.

The square root of 4063645666 is about 63746.7306298919. The cubic root of 4063645666 is about 1595.7760548361.

The spelling of 4063645666 in words is "four billion, sixty-three million, six hundred forty-five thousand, six hundred sixty-six".