33066666 has 24 divisors (see below), whose sum is σ = 75859524. Its totient is φ = 10373760.

The previous prime is 33066659. The next prime is 33066667. The reversal of 33066666 is 66666033.

It can be written as a sum of positive squares in 2 ways, for example, as 31036041 + 2030625 = 5571^2 + 1425^2 .

33066666 is a modest number, since divided by 6666 gives 3306 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 33066666.

It is not an unprimeable number, because it can be changed into a prime (33066667) 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, 53725 + ... + 54336.

Almost surely, 2^33066666 is an apocalyptic number.

33066666 is an abundant number, since it is smaller than the sum of its proper divisors (42792858).

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

33066666 is a wasteful number, since it uses less digits than its factorization.

33066666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108086 (or 108083 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 36.

The square root of 33066666 is about 5750.3622494587. The cubic root of 33066666 is about 320.9692811318.

The spelling of 33066666 in words is "thirty-three million, sixty-six thousand, six hundred sixty-six".