10656669752 has 8 divisors (see below), whose sum is σ = 19981255800. Its totient is φ = 5328334872.

The previous prime is 10656669743. The next prime is 10656669757. The reversal of 10656669752 is 25796665601.

It is a happy number.

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

It is a super-2 number, since 2×10656669752² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10656669694 and 10656669703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10656669757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 666041852 + ... + 666041867.

It is an arithmetic number, because the mean of its divisors is an integer number (2497656975).

Almost surely, 2^10656669752 is an apocalyptic number.

It is an amenable number.

10656669752 is a deficient number, since it is larger than the sum of its proper divisors (9324586048).

10656669752 is a wasteful number, since it uses less digits than its factorization.

10656669752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1332083725 (or 1332083721 counting only the distinct ones).

The product of its (nonzero) digits is 4082400, while the sum is 53.

The spelling of 10656669752 in words is "ten billion, six hundred fifty-six million, six hundred sixty-nine thousand, seven hundred fifty-two".