8662066220 has 48 divisors (see below), whose sum is σ = 18329794560. Its totient is φ = 3438335424.

The previous prime is 8662066213. The next prime is 8662066247. The reversal of 8662066220 is 226602668.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2399657 + ... + 2403263.

It is an arithmetic number, because the mean of its divisors is an integer number (381870720).

Almost surely, 2^8662066220 is an apocalyptic number.

It is an amenable number.

8662066220 is an abundant number, since it is smaller than the sum of its proper divisors (9667728340).

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

8662066220 is a wasteful number, since it uses less digits than its factorization.

8662066220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4502 (or 4500 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 38.

The square root of 8662066220 is about 93070.2219831886. The cubic root of 8662066220 is about 2053.7165354713.

Adding to 8662066220 its reverse (226602668), we get a palindrome (8888668888).

The spelling of 8662066220 in words is "eight billion, six hundred sixty-two million, sixty-six thousand, two hundred twenty".