8216359560 has 48 divisors (see below), whose sum is σ = 26703169740. Its totient is φ = 2191029120.

The previous prime is 8216359553. The next prime is 8216359579. The reversal of 8216359560 is 659536128.

8216359560 is a `hidden beast` number, since 8 + 2 + 1 + 635 + 9 + 5 + 6 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 8122695876 + 93663684 = 90126^2 + 9678^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11411251 + ... + 11411970.

Almost surely, 2^8216359560 is an apocalyptic number.

It is an amenable number.

8216359560 is an abundant number, since it is smaller than the sum of its proper divisors (18486810180).

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

8216359560 is a wasteful number, since it uses less digits than its factorization.

8216359560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22823238 (or 22823231 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 45.

The square root of 8216359560 is about 90644.1369311882. The cubic root of 8216359560 is about 2017.8698225231.

The spelling of 8216359560 in words is "eight billion, two hundred sixteen million, three hundred fifty-nine thousand, five hundred sixty".