4002006066 has 16 divisors (see below), whose sum is σ = 8024914944. Its totient is φ = 1330518224.

The previous prime is 4002006037. The next prime is 4002006067. The reversal of 4002006066 is 6606002004.

It is not an unprimeable number, because it can be changed into a prime (4002006067) 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, 868461 + ... + 873056.

It is an arithmetic number, because the mean of its divisors is an integer number (501557184).

Almost surely, 2^4002006066 is an apocalyptic number.

4002006066 is an abundant number, since it is smaller than the sum of its proper divisors (4022908878).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4002006066 is a wasteful number, since it uses less digits than its factorization.

4002006066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1741905.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 4002006066 is about 63261.4105596769. The cubic root of 4002006066 is about 1587.6663768914. Note that the first 3 decimals are identical.

The spelling of 4002006066 in words is "four billion, two million, six thousand, sixty-six", and thus it is an eban number.