6633370066 has 4 divisors (see below), whose sum is σ = 9950055102. Its totient is φ = 3316685032.

The previous prime is 6633370061. The next prime is 6633370069. The reversal of 6633370066 is 6600733366.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3651664041 + 2981706025 = 60429^2 + 54605^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (6633370061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1658342515 + ... + 1658342518.

Almost surely, 2^6633370066 is an apocalyptic number.

6633370066 is a deficient number, since it is larger than the sum of its proper divisors (3316685036).

6633370066 is a wasteful number, since it uses less digits than its factorization.

6633370066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3316685035.

The product of its (nonzero) digits is 244944, while the sum is 40.

The square root of 6633370066 is about 81445.5036573536. The cubic root of 6633370066 is about 1878.9334966908.

The spelling of 6633370066 in words is "six billion, six hundred thirty-three million, three hundred seventy thousand, sixty-six".