10656557007 has 16 divisors (see below), whose sum is σ = 14701357440. Its totient is φ = 6858152672.

The previous prime is 10656556997. The next prime is 10656557011. The reversal of 10656557007 is 70075565601.

It is a cyclic number.

It is not a de Polignac number, because 10656557007 - 2⁴ = 10656556991 is a prime.

It is a super-2 number, since 2×10656557007² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10656557007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10656557207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 922288 + ... + 933770.

It is an arithmetic number, because the mean of its divisors is an integer number (918834840).

Almost surely, 2^10656557007 is an apocalyptic number.

10656557007 is a deficient number, since it is larger than the sum of its proper divisors (4044800433).

10656557007 is a wasteful number, since it uses less digits than its factorization.

10656557007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22182.

The product of its (nonzero) digits is 220500, while the sum is 42.

The spelling of 10656557007 in words is "ten billion, six hundred fifty-six million, five hundred fifty-seven thousand, seven".