6630220366 has 16 divisors (see below), whose sum is σ = 12399373440. Its totient is φ = 2583202680.

The previous prime is 6630220361. The next prime is 6630220391.

6630220366 is nontrivially palindromic in base 10.

6630220366 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6630220361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21526536 + ... + 21526843.

It is an arithmetic number, because the mean of its divisors is an integer number (774960840).

Almost surely, 2^6630220366 is an apocalyptic number.

6630220366 is a deficient number, since it is larger than the sum of its proper divisors (5769153074).

6630220366 is a wasteful number, since it uses less digits than its factorization.

6630220366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43053399.

The product of its (nonzero) digits is 46656, while the sum is 34.

The square root of 6630220366 is about 81426.1651190820. The cubic root of 6630220366 is about 1878.6360604601.

It can be divided in two parts, 66302 and 20366, that added together give a palindrome (86668).

The spelling of 6630220366 in words is "six billion, six hundred thirty million, two hundred twenty thousand, three hundred sixty-six".