3293406666 has 96 divisors (see below), whose sum is σ = 7915235328. Its totient is φ = 981378720.

The previous prime is 3293406661. The next prime is 3293406671. The reversal of 3293406666 is 6666043923.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3293406661) and next prime (3293406671).

It is not an unprimeable number, because it can be changed into a prime (3293406661) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3405315 + ... + 3406281.

It is an arithmetic number, because the mean of its divisors is an integer number (82450368).

Almost surely, 2^3293406666 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3293406666, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3957617664).

3293406666 is an abundant number, since it is smaller than the sum of its proper divisors (4621828662).

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

3293406666 is a wasteful number, since it uses less digits than its factorization.

3293406666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1256 (or 1253 counting only the distinct ones).

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

The square root of 3293406666 is about 57388.2101655035. The cubic root of 3293406666 is about 1487.8133572916.

The spelling of 3293406666 in words is "three billion, two hundred ninety-three million, four hundred six thousand, six hundred sixty-six".