6466466446 has 16 divisors (see below), whose sum is σ = 10598607360. Its totient is φ = 2934548280.

The previous prime is 6466466437. The next prime is 6466466497. The reversal of 6466466446 is 6446646646.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 6466466393 and 6466466402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 223806 + ... + 251041.

It is an arithmetic number, because the mean of its divisors is an integer number (662412960).

Almost surely, 2^6466466446 is an apocalyptic number.

6466466446 is a deficient number, since it is larger than the sum of its proper divisors (4132140914).

6466466446 is a wasteful number, since it uses less digits than its factorization.

6466466446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475479.

The product of its digits is 11943936, while the sum is 52.

The square root of 6466466446 is about 80414.3422904148. The cubic root of 6466466446 is about 1863.0407008496.

The spelling of 6466466446 in words is "six billion, four hundred sixty-six million, four hundred sixty-six thousand, four hundred forty-six".