8513040216 has 64 divisors (see below), whose sum is σ = 21876180480. Its totient is φ = 2758665600.

The previous prime is 8513040191. The next prime is 8513040247. The reversal of 8513040216 is 6120403158.

It is a congruent number.

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, 1285185 + ... + 1291791.

It is an arithmetic number, because the mean of its divisors is an integer number (341815320).

Almost surely, 2^8513040216 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 8513040216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10938090240).

8513040216 is an abundant number, since it is smaller than the sum of its proper divisors (13363140264).

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

8513040216 is a wasteful number, since it uses less digits than its factorization.

8513040216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8104 (or 8100 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 8513040216 is about 92266.1379705469. The cubic root of 8513040216 is about 2041.8706581890.

The spelling of 8513040216 in words is "eight billion, five hundred thirteen million, forty thousand, two hundred sixteen".