8617941816 has 32 divisors (see below), whose sum is σ = 23503478400. Its totient is φ = 2611497440.

The previous prime is 8617941811. The next prime is 8617941841. The reversal of 8617941816 is 6181497168.

It is a super-2 number, since 2×8617941816² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8617941811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16321596 + ... + 16322123.

It is an arithmetic number, because the mean of its divisors is an integer number (734483700).

Almost surely, 2^8617941816 is an apocalyptic number.

It is an amenable number.

8617941816 is an abundant number, since it is smaller than the sum of its proper divisors (14885536584).

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

8617941816 is a wasteful number, since it uses less digits than its factorization.

8617941816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32643739 (or 32643735 counting only the distinct ones).

The product of its digits is 580608, while the sum is 51.

The square root of 8617941816 is about 92832.8703423523. The cubic root of 8617941816 is about 2050.2233994891.

The spelling of 8617941816 in words is "eight billion, six hundred seventeen million, nine hundred forty-one thousand, eight hundred sixteen".