10656560849 has 16 divisors (see below), whose sum is σ = 11828034240. Its totient is φ = 9519586560.

The previous prime is 10656560833. The next prime is 10656560851. The reversal of 10656560849 is 94806565601.

It is a happy number.

It is not a de Polignac number, because 10656560849 - 2⁴ = 10656560833 is a prime.

It is a super-2 number, since 2×10656560849² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10656560797 and 10656560806.

It is not an unprimeable number, because it can be changed into a prime (10656560819) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 283757 + ... + 319109.

It is an arithmetic number, because the mean of its divisors is an integer number (739252140).

Almost surely, 2^10656560849 is an apocalyptic number.

It is an amenable number.

10656560849 is a deficient number, since it is larger than the sum of its proper divisors (1171473391).

10656560849 is a wasteful number, since it uses less digits than its factorization.

10656560849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35840.

The product of its (nonzero) digits is 1555200, while the sum is 50.

The spelling of 10656560849 in words is "ten billion, six hundred fifty-six million, five hundred sixty thousand, eight hundred forty-nine".