8466584644 has 48 divisors (see below), whose sum is σ = 17415296640. Its totient is φ = 3525500160.

The previous prime is 8466584629. The next prime is 8466584677. The reversal of 8466584644 is 4464856648.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 783027 + ... + 793765.

It is an arithmetic number, because the mean of its divisors is an integer number (362818680).

Almost surely, 2^8466584644 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8466584644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8707648320).

8466584644 is an abundant number, since it is smaller than the sum of its proper divisors (8948711996).

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

8466584644 is a wasteful number, since it uses less digits than its factorization.

8466584644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11548 (or 11546 counting only the distinct ones).

The product of its digits is 17694720, while the sum is 55.

The square root of 8466584644 is about 92014.0459060463. The cubic root of 8466584644 is about 2038.1497259410.

The spelling of 8466584644 in words is "eight billion, four hundred sixty-six million, five hundred eighty-four thousand, six hundred forty-four".