6612066 has 24 divisors (see below), whose sum is σ = 14471964. Its totient is φ = 2181600.

The previous prime is 6612061. The next prime is 6612079. The reversal of 6612066 is 6602166.

6612066 is a nontrivial binomial coefficient, being equal to C(3637, 2).

It can be written as a sum of positive squares in 2 ways, for example, as 6610041 + 2025 = 2571^2 + 45^2 .

It is not an unprimeable number, because it can be changed into a prime (6612061) 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, 1 + ... + 3636.

Almost surely, 2^6612066 is an apocalyptic number.

6612066 is the 3636-th triangular number.

6612066 is an abundant number, since it is smaller than the sum of its proper divisors (7859898).

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

6612066 is a wasteful number, since it uses less digits than its factorization.

6612066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3746 (or 3743 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 6612066 is about 2571.3937854790. The cubic root of 6612066 is about 187.6919846896.

The spelling of 6612066 in words is "six million, six hundred twelve thousand, sixty-six".