10206560656 has 20 divisors (see below), whose sum is σ = 19971008604. Its totient is φ = 5052752000.

The previous prime is 10206560633. The next prime is 10206560659. The reversal of 10206560656 is 65606560201.

It can be written as a sum of positive squares in 2 ways, for example, as 4635431056 + 5571129600 = 68084^2 + 74640^2 .

It is not an unprimeable number, because it can be changed into a prime (10206560659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3156355 + ... + 3159586.

Almost surely, 2^10206560656 is an apocalyptic number.

10206560656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

10206560656 is a deficient number, since it is larger than the sum of its proper divisors (9764447948).

10206560656 is a wasteful number, since it uses less digits than its factorization.

10206560656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6316050 (or 6316044 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 37.

The spelling of 10206560656 in words is "ten billion, two hundred six million, five hundred sixty thousand, six hundred fifty-six".