5448805666 has 8 divisors (see below), whose sum is σ = 8394106140. Its totient is φ = 2650770288.

The previous prime is 5448805651. The next prime is 5448805709. The reversal of 5448805666 is 6665088445.

It can be written as a sum of positive squares in 2 ways, for example, as 4675687641 + 773118025 = 68379^2 + 27805^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36816181 + ... + 36816328.

Almost surely, 2^5448805666 is an apocalyptic number.

5448805666 is a deficient number, since it is larger than the sum of its proper divisors (2945300474).

5448805666 is a wasteful number, since it uses less digits than its factorization.

5448805666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73632548.

The product of its (nonzero) digits is 5529600, while the sum is 52.

The square root of 5448805666 is about 73816.0258074085. The cubic root of 5448805666 is about 1759.6803037176.

The spelling of 5448805666 in words is "five billion, four hundred forty-eight million, eight hundred five thousand, six hundred sixty-six".