3216366666 has 24 divisors (see below), whose sum is σ = 6976685664. Its totient is φ = 1070908200.

The previous prime is 3216366661. The next prime is 3216366679. The reversal of 3216366666 is 6666636123.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (3216366661) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 84760 + ... + 116691.

It is an arithmetic number, because the mean of its divisors is an integer number (290695236).

Almost surely, 2^3216366666 is an apocalyptic number.

3216366666 is an abundant number, since it is smaller than the sum of its proper divisors (3760318998).

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

3216366666 is a wasteful number, since it uses less digits than its factorization.

3216366666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202346 (or 202343 counting only the distinct ones).

The product of its digits is 839808, while the sum is 45.

The square root of 3216366666 is about 56713.0202510852. The cubic root of 3216366666 is about 1476.1206331659.

The spelling of 3216366666 in words is "three billion, two hundred sixteen million, three hundred sixty-six thousand, six hundred sixty-six".