6633551066 has 16 divisors (see below), whose sum is σ = 10073700000. Its totient is φ = 3275678928.

The previous prime is 6633551063. The next prime is 6633551069. The reversal of 6633551066 is 6601553366.

It is an interprime number because it is at equal distance from previous prime (6633551063) and next prime (6633551069).

It is not an unprimeable number, because it can be changed into a prime (6633551063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 675560 + ... + 685308.

It is an arithmetic number, because the mean of its divisors is an integer number (629606250).

Almost surely, 2^6633551066 is an apocalyptic number.

6633551066 is a deficient number, since it is larger than the sum of its proper divisors (3440148934).

6633551066 is a wasteful number, since it uses less digits than its factorization.

6633551066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13933.

The product of its (nonzero) digits is 291600, while the sum is 41.

The square root of 6633551066 is about 81446.6148222257. The cubic root of 6633551066 is about 1878.9505862378.

The spelling of 6633551066 in words is "six billion, six hundred thirty-three million, five hundred fifty-one thousand, sixty-six".