6466443361 has 8 divisors (see below), whose sum is σ = 7425247424. Its totient is φ = 5516395920.

The previous prime is 6466443317. The next prime is 6466443377. The reversal of 6466443361 is 1633446646.

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

It is not a de Polignac number, because 6466443361 - 2¹¹ = 6466441313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6466440361) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2187570 + ... + 2190523.

It is an arithmetic number, because the mean of its divisors is an integer number (928155928).

Almost surely, 2^6466443361 is an apocalyptic number.

It is an amenable number.

6466443361 is a deficient number, since it is larger than the sum of its proper divisors (958804063).

6466443361 is a wasteful number, since it uses less digits than its factorization.

6466443361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4378311.

The product of its digits is 746496, while the sum is 43.

The square root of 6466443361 is about 80414.1987524591. The cubic root of 6466443361 is about 1863.0384838559.

The spelling of 6466443361 in words is "six billion, four hundred sixty-six million, four hundred forty-three thousand, three hundred sixty-one".