8481565656 has 48 divisors (see below), whose sum is σ = 23146283160. Its totient is φ = 2805603840.

The previous prime is 8481565633. The next prime is 8481565679. The reversal of 8481565656 is 6565651848.

It is an interprime number because it is at equal distance from previous prime (8481565633) and next prime (8481565679).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 440185 + ... + 459048.

Almost surely, 2^8481565656 is an apocalyptic number.

It is an amenable number.

8481565656 is an abundant number, since it is smaller than the sum of its proper divisors (14664717504).

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

8481565656 is a wasteful number, since it uses less digits than its factorization.

8481565656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 899376 (or 899369 counting only the distinct ones).

The product of its digits is 6912000, while the sum is 54.

The square root of 8481565656 is about 92095.4160422765. The cubic root of 8481565656 is about 2039.3511373521.

The spelling of 8481565656 in words is "eight billion, four hundred eighty-one million, five hundred sixty-five thousand, six hundred fifty-six".