446664226664 has 48 divisors (see below), whose sum is σ = 885329165700. Its totient is φ = 211221595904.

The previous prime is 446664226663. The next prime is 446664226703. The reversal of 446664226664 is 466622466644.

It can be written as a sum of positive squares in 2 ways, for example, as 446547370564 + 116856100 = 668242^2 + 10810^2 .

It is not an unprimeable number, because it can be changed into a prime (446664226661) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 216299 + ... + 969594.

Almost surely, 2^446664226664 is an apocalyptic number.

It is an amenable number.

446664226664 is a deficient number, since it is larger than the sum of its proper divisors (438664939036).

446664226664 is a wasteful number, since it uses less digits than its factorization.

446664226664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1186034 (or 1186007 counting only the distinct ones).

The product of its digits is 47775744, while the sum is 56.

The spelling of 446664226664 in words is "four hundred forty-six billion, six hundred sixty-four million, two hundred twenty-six thousand, six hundred sixty-four".