4064642066 has 16 divisors (see below), whose sum is σ = 6328428288. Its totient is φ = 1955890800.

The previous prime is 4064642011. The next prime is 4064642069. The reversal of 4064642066 is 6602464604.

It is not an unprimeable number, because it can be changed into a prime (4064642069) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169880 + ... + 192323.

It is an arithmetic number, because the mean of its divisors is an integer number (395526768).

Almost surely, 2^4064642066 is an apocalyptic number.

4064642066 is a deficient number, since it is larger than the sum of its proper divisors (2263786222).

4064642066 is a wasteful number, since it uses less digits than its factorization.

4064642066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362417.

The product of its (nonzero) digits is 165888, while the sum is 38.

The square root of 4064642066 is about 63754.5454536380. The cubic root of 4064642066 is about 1595.9064714990.

The spelling of 4064642066 in words is "four billion, sixty-four million, six hundred forty-two thousand, sixty-six".