4520656656 has 50 divisors (see below), whose sum is σ = 13084095662. Its totient is φ = 1506885120.

The previous prime is 4520656583. The next prime is 4520656687. The reversal of 4520656656 is 6566560254.

It is a happy number.

4520656656 is a `hidden beast` number, since 4 + 520 + 65 + 6 + 65 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4483641600 + 37015056 = 66960^2 + 6084^2 .

It is an unprimeable number.

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 9 ways as a sum of consecutive naturals, for example, 1742785 + ... + 1745376.

Almost surely, 2^4520656656 is an apocalyptic number.

It is an amenable number.

4520656656 is an abundant number, since it is smaller than the sum of its proper divisors (8563439006).

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

4520656656 is a wasteful number, since it uses less digits than its factorization.

4520656656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3488181 (or 3488166 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 45.

The square root of 4520656656 is about 67235.8286629978. The cubic root of 4520656656 is about 1653.4859457778.

The spelling of 4520656656 in words is "four billion, five hundred twenty million, six hundred fifty-six thousand, six hundred fifty-six".