5256065656 has 8 divisors (see below), whose sum is σ = 9855123120. Its totient is φ = 2628032824.

The previous prime is 5256065653. The next prime is 5256065677. The reversal of 5256065656 is 6565606525.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5256065651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 328504096 + ... + 328504111.

It is an arithmetic number, because the mean of its divisors is an integer number (1231890390).

Almost surely, 2^5256065656 is an apocalyptic number.

It is an amenable number.

5256065656 is a deficient number, since it is larger than the sum of its proper divisors (4599057464).

5256065656 is a wasteful number, since it uses less digits than its factorization.

5256065656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657008213 (or 657008209 counting only the distinct ones).

The product of its (nonzero) digits is 1620000, while the sum is 46.

The square root of 5256065656 is about 72498.7286509219. The cubic root of 5256065656 is about 1738.6824102859.

The spelling of 5256065656 in words is "five billion, two hundred fifty-six million, sixty-five thousand, six hundred fifty-six".