8671656356 has 24 divisors (see below), whose sum is σ = 16580081280. Its totient is φ = 3935685600.

The previous prime is 8671656353. The next prime is 8671656379. The reversal of 8671656356 is 6536561768.

8671656356 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 8671656298 and 8671656307.

It is not an unprimeable number, because it can be changed into a prime (8671656353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119996 + ... + 178163.

It is an arithmetic number, because the mean of its divisors is an integer number (690836720).

Almost surely, 2^8671656356 is an apocalyptic number.

It is an amenable number.

8671656356 is a deficient number, since it is larger than the sum of its proper divisors (7908424924).

8671656356 is a wasteful number, since it uses less digits than its factorization.

8671656356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298835 (or 298833 counting only the distinct ones).

The product of its digits is 5443200, while the sum is 53.

The square root of 8671656356 is about 93121.7286995898. The cubic root of 8671656356 is about 2054.4741744420.

The spelling of 8671656356 in words is "eight billion, six hundred seventy-one million, six hundred fifty-six thousand, three hundred fifty-six".