3345666066 has 64 divisors (see below), whose sum is σ = 7864554240. Its totient is φ = 1052092800.

The previous prime is 3345666061. The next prime is 3345666067. The reversal of 3345666066 is 6606665433.

It is a happy number.

It is a super-2 number, since 2×3345666066² = 22386962850367832712, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (3345666061) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 72216 + ... + 109116.

It is an arithmetic number, because the mean of its divisors is an integer number (122883660).

Almost surely, 2^3345666066 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3345666066, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3932277120).

3345666066 is an abundant number, since it is smaller than the sum of its proper divisors (4518888174).

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

3345666066 is a wasteful number, since it uses less digits than its factorization.

3345666066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37008 (or 37002 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 45.

The square root of 3345666066 is about 57841.7329097253. The cubic root of 3345666066 is about 1495.6415803844.

The spelling of 3345666066 in words is "three billion, three hundred forty-five million, six hundred sixty-six thousand, sixty-six".