10656465656 has 8 divisors (see below), whose sum is σ = 19980873120. Its totient is φ = 5328232824.

The previous prime is 10656465653. The next prime is 10656465683. The reversal of 10656465656 is 65656465601.

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

It is a super-2 number, since 2×10656465656² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10656465653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 666029096 + ... + 666029111.

It is an arithmetic number, because the mean of its divisors is an integer number (2497609140).

Almost surely, 2^10656465656 is an apocalyptic number.

It is an amenable number.

10656465656 is a deficient number, since it is larger than the sum of its proper divisors (9324407464).

10656465656 is a wasteful number, since it uses less digits than its factorization.

10656465656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1332058213 (or 1332058209 counting only the distinct ones).

The product of its (nonzero) digits is 3888000, while the sum is 50.

Subtracting 10656465656 from its reverse (65656465601), we obtain a palindrome (54999999945).

The spelling of 10656465656 in words is "ten billion, six hundred fifty-six million, four hundred sixty-five thousand, six hundred fifty-six".