8636940116 has 72 divisors (see below), whose sum is σ = 18049237416. Its totient is φ = 3603640320.

The previous prime is 8636940097. The next prime is 8636940121. The reversal of 8636940116 is 6110496368.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 163737616 + 8473202500 = 12796^2 + 92050^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5407430 + ... + 5409026.

It is an arithmetic number, because the mean of its divisors is an integer number (250683853).

Almost surely, 2^8636940116 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 8636940116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9024618708).

8636940116 is an abundant number, since it is smaller than the sum of its proper divisors (9412297300).

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

8636940116 is a wasteful number, since it uses less digits than its factorization.

8636940116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2329 (or 2320 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 44.

The square root of 8636940116 is about 92935.1392961780. The cubic root of 8636940116 is about 2051.7288700008.

The spelling of 8636940116 in words is "eight billion, six hundred thirty-six million, nine hundred forty thousand, one hundred sixteen".