8608820616 has 160 divisors (see below), whose sum is σ = 26578046880. Its totient is φ = 2581632000.

The previous prime is 8608820611. The next prime is 8608820617. The reversal of 8608820616 is 6160288068.

8608820616 is a `hidden beast` number, since 8 + 6 + 0 + 8 + 8 + 20 + 616 = 666.

It is a super-2 number, since 2×8608820616² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8608820611) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 685191 + ... + 697641.

It is an arithmetic number, because the mean of its divisors is an integer number (166112793).

Almost surely, 2^8608820616 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 8608820616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13289023440).

8608820616 is an abundant number, since it is smaller than the sum of its proper divisors (17969226264).

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

8608820616 is a wasteful number, since it uses less digits than its factorization.

8608820616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12577 (or 12564 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 45.

The square root of 8608820616 is about 92783.7303410463. The cubic root of 8608820616 is about 2049.4998276871.

The spelling of 8608820616 in words is "eight billion, six hundred eight million, eight hundred twenty thousand, six hundred sixteen".