10656540056 has 8 divisors (see below), whose sum is σ = 19981012620. Its totient is φ = 5328270024.

The previous prime is 10656540053. The next prime is 10656540061. The reversal of 10656540056 is 65004565601.

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

It is a super-2 number, since 2×10656540056² (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 (10656540053) 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 as a sum of consecutive naturals, namely, 666033746 + ... + 666033761.

Almost surely, 2^10656540056 is an apocalyptic number.

It is an amenable number.

10656540056 is a deficient number, since it is larger than the sum of its proper divisors (9324472564).

10656540056 is a wasteful number, since it uses less digits than its factorization.

10656540056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1332067513 (or 1332067509 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 38.

The spelling of 10656540056 in words is "ten billion, six hundred fifty-six million, five hundred forty thousand, fifty-six".