8205906630 has 64 divisors (see below), whose sum is σ = 20905698240. Its totient is φ = 2054283264.

The previous prime is 8205906629. The next prime is 8205906689. The reversal of 8205906630 is 366095028.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 182206 + ... + 222734.

It is an arithmetic number, because the mean of its divisors is an integer number (326651535).

Almost surely, 2^8205906630 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8205906630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10452849120).

8205906630 is an abundant number, since it is smaller than the sum of its proper divisors (12699791610).

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

8205906630 is a wasteful number, since it uses less digits than its factorization.

8205906630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40953.

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 8205906630 is about 90586.4594186129. The cubic root of 8205906630 is about 2017.0137417194.

The spelling of 8205906630 in words is "eight billion, two hundred five million, nine hundred six thousand, six hundred thirty".