4446664662 has 64 divisors (see below), whose sum is σ = 10127708928. Its totient is φ = 1289520000.

The previous prime is 4446664661. The next prime is 4446664667. The reversal of 4446664662 is 2664666444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4446664661) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 134037 + ... + 163887.

It is an arithmetic number, because the mean of its divisors is an integer number (158245452).

Almost surely, 2^4446664662 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4446664662, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5063854464).

4446664662 is an abundant number, since it is smaller than the sum of its proper divisors (5681044266).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4446664662 is a wasteful number, since it uses less digits than its factorization.

4446664662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29965.

The product of its digits is 3981312, while the sum is 48.

The square root of 4446664662 is about 66683.3162192763. The cubic root of 4446664662 is about 1644.4151136786.

The spelling of 4446664662 in words is "four billion, four hundred forty-six million, six hundred sixty-four thousand, six hundred sixty-two".