8655640116 has 12 divisors (see below), whose sum is σ = 20196493632. Its totient is φ = 2885213368.

The previous prime is 8655640111. The next prime is 8655640127. The reversal of 8655640116 is 6110465568.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8655640111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 360651660 + ... + 360651683.

It is an arithmetic number, because the mean of its divisors is an integer number (1683041136).

Almost surely, 2^8655640116 is an apocalyptic number.

It is an amenable number.

8655640116 is an abundant number, since it is smaller than the sum of its proper divisors (11540853516).

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

8655640116 is a wasteful number, since it uses less digits than its factorization.

8655640116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721303350 (or 721303348 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 42.

The square root of 8655640116 is about 93035.6926990926. The cubic root of 8655640116 is about 2053.2085480917.

The spelling of 8655640116 in words is "eight billion, six hundred fifty-five million, six hundred forty thousand, one hundred sixteen".