8113602816 has 432 divisors, whose sum is σ = 26998852608. Its totient is φ = 2409523200.

The previous prime is 8113602811. The next prime is 8113602839. The reversal of 8113602816 is 6182063118.

8113602816 is a `hidden beast` number, since 8 + 11 + 360 + 281 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (432).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (8113602811) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 48584365 + ... + 48584531.

It is an arithmetic number, because the mean of its divisors is an integer number (62497344).

Almost surely, 2^8113602816 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 8113602816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13499426304).

8113602816 is an abundant number, since it is smaller than the sum of its proper divisors (18885249792).

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

8113602816 is a wasteful number, since it uses less digits than its factorization.

8113602816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280 (or 254 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 8113602816 is about 90075.5394988007. The cubic root of 8113602816 is about 2009.4224404293.

The spelling of 8113602816 in words is "eight billion, one hundred thirteen million, six hundred two thousand, eight hundred sixteen".