8681365655 has 16 divisors (see below), whose sum is σ = 10530468480. Its totient is φ = 6869947392.

The previous prime is 8681365631. The next prime is 8681365657. The reversal of 8681365655 is 5565631868.

8681365655 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 8681365655 - 2⁶ = 8681365591 is a prime.

It is a super-2 number, since 2×8681365655² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8681365597 and 8681365606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8681365657) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1338761 + ... + 1345229.

It is an arithmetic number, because the mean of its divisors is an integer number (658154280).

Almost surely, 2^8681365655 is an apocalyptic number.

8681365655 is a deficient number, since it is larger than the sum of its proper divisors (1849102825).

8681365655 is a wasteful number, since it uses less digits than its factorization.

8681365655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9338.

The product of its digits is 5184000, while the sum is 53.

The square root of 8681365655 is about 93173.8464108894. The cubic root of 8681365655 is about 2055.2406586850.

The spelling of 8681365655 in words is "eight billion, six hundred eighty-one million, three hundred sixty-five thousand, six hundred fifty-five".