4464616821686 has 48 divisors (see below), whose sum is σ = 8033922766080. Its totient is φ = 1854483780240.

The previous prime is 4464616821683. The next prime is 4464616821703. The reversal of 4464616821686 is 6861286164644.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4464616821683) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5027210 + ... + 5848253.

It is an arithmetic number, because the mean of its divisors is an integer number (167373390960).

Almost surely, 2^{4464616821686} is an apocalyptic number.

4464616821686 is a deficient number, since it is larger than the sum of its proper divisors (3569305944394).

4464616821686 is a wasteful number, since it uses less digits than its factorization.

4464616821686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10875609 (or 10875602 counting only the distinct ones).

The product of its digits is 63700992, while the sum is 62.

The spelling of 4464616821686 in words is "four trillion, four hundred sixty-four billion, six hundred sixteen million, eight hundred twenty-one thousand, six hundred eighty-six".