9025444666 has 32 divisors (see below), whose sum is σ = 15914245248. Its totient is φ = 3758469120.

The previous prime is 9025444661. The next prime is 9025444679. The reversal of 9025444666 is 6664445209.

It is not an unprimeable number, because it can be changed into a prime (9025444661) 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 15 ways as a sum of consecutive naturals, for example, 77346 + ... + 155026.

It is an arithmetic number, because the mean of its divisors is an integer number (497320164).

Almost surely, 2^9025444666 is an apocalyptic number.

9025444666 is a deficient number, since it is larger than the sum of its proper divisors (6888800582).

9025444666 is a wasteful number, since it uses less digits than its factorization.

9025444666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77926.

The product of its (nonzero) digits is 1244160, while the sum is 46.

The square root of 9025444666 is about 95002.3403185416. The cubic root of 9025444666 is about 2082.0422392795.

The spelling of 9025444666 in words is "nine billion, twenty-five million, four hundred forty-four thousand, six hundred sixty-six".