6660264 has 32 divisors (see below), whose sum is σ = 17932320. Its totient is φ = 2049216.

The previous prime is 6660239. The next prime is 6660287. The reversal of 6660264 is 4620666.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10362 + ... + 10985.

It is an arithmetic number, because the mean of its divisors is an integer number (560385).

Almost surely, 2^6660264 is an apocalyptic number.

It is an amenable number.

6660264 is an abundant number, since it is smaller than the sum of its proper divisors (11272056).

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

6660264 is a wasteful number, since it uses less digits than its factorization.

6660264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21369 (or 21365 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 6660264 is about 2580.7487285670. The cubic root of 6660264 is about 188.1469350773.

It can be divided in two parts, 66602 and 64, that added together give a palindrome (66666).

The spelling of 6660264 in words is "six million, six hundred sixty thousand, two hundred sixty-four".