3200646666 has 16 divisors (see below), whose sum is σ = 7315763904. Its totient is φ = 914470464.

The previous prime is 3200646641. The next prime is 3200646697. The reversal of 3200646666 is 6666460023.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38102895 + ... + 38102978.

It is an arithmetic number, because the mean of its divisors is an integer number (457235244).

Almost surely, 2^3200646666 is an apocalyptic number.

3200646666 is an abundant number, since it is smaller than the sum of its proper divisors (4115117238).

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

3200646666 is a wasteful number, since it uses less digits than its factorization.

3200646666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76205885.

The product of its (nonzero) digits is 186624, while the sum is 39.

The square root of 3200646666 is about 56574.2579801096. The cubic root of 3200646666 is about 1473.7118568501.

The spelling of 3200646666 in words is "three billion, two hundred million, six hundred forty-six thousand, six hundred sixty-six".