8216104320 has 128 divisors (see below), whose sum is σ = 29098764000. Its totient is φ = 2190956544.

The previous prime is 8216104319. The next prime is 8216104343. The reversal of 8216104320 is 234016128.

8216104320 is a `hidden beast` number, since 8 + 2 + 1 + 610 + 43 + 2 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 220455 + ... + 255014.

Almost surely, 2^8216104320 is an apocalyptic number.

8216104320 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8216104320 is an abundant number, since it is smaller than the sum of its proper divisors (20882659680).

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

8216104320 is a wasteful number, since it uses less digits than its factorization.

8216104320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475497 (or 475479 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 8216104320 is about 90642.7289968699. The cubic root of 8216104320 is about 2017.8489273638.

The spelling of 8216104320 in words is "eight billion, two hundred sixteen million, one hundred four thousand, three hundred twenty".