10665223664 has 10 divisors (see below), whose sum is σ = 20663870880. Its totient is φ = 5332611824.

The previous prime is 10665223643. The next prime is 10665223721. The reversal of 10665223664 is 46632256601.

It is a happy number.

It is a super-2 number, since 2×10665223664² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 333288224 + ... + 333288255.

It is an arithmetic number, because the mean of its divisors is an integer number (2066387088).

Almost surely, 2^10665223664 is an apocalyptic number.

It is an amenable number.

10665223664 is a deficient number, since it is larger than the sum of its proper divisors (9998647216).

10665223664 is an equidigital number, since it uses as much as digits as its factorization.

10665223664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666576487 (or 666576481 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 41.

The spelling of 10665223664 in words is "ten billion, six hundred sixty-five million, two hundred twenty-three thousand, six hundred sixty-four".