3666705066 has 24 divisors (see below), whose sum is σ = 7953809760. Its totient is φ = 1220807016.

The previous prime is 3666705023. The next prime is 3666705083. The reversal of 3666705066 is 6605076663.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 103110 + ... + 134033.

It is an arithmetic number, because the mean of its divisors is an integer number (331408740).

Almost surely, 2^3666705066 is an apocalyptic number.

3666705066 is an abundant number, since it is smaller than the sum of its proper divisors (4287104694).

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

3666705066 is a wasteful number, since it uses less digits than its factorization.

3666705066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238010 (or 238007 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 45.

The square root of 3666705066 is about 60553.3241531792. The cubic root of 3666705066 is about 1542.0270526728.

The spelling of 3666705066 in words is "three billion, six hundred sixty-six million, seven hundred five thousand, sixty-six".