10668904 has 8 divisors (see below), whose sum is σ = 20004210. Its totient is φ = 5334448.

The previous prime is 10668901. The next prime is 10668907. The reversal of 10668904 is 40986601.

It is an interprime number because it is at equal distance from previous prime (10668901) and next prime (10668907).

It can be written as a sum of positive squares in only one way, i.e., 10176100 + 492804 = 3190^2 + 702^2 .

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

It is a super-2 number, since 2×10668904² = 227651025122432, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10668904.

It is not an unprimeable number, because it can be changed into a prime (10668901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 666799 + ... + 666814.

Almost surely, 2^10668904 is an apocalyptic number.

It is an amenable number.

10668904 is a deficient number, since it is larger than the sum of its proper divisors (9335306).

10668904 is a wasteful number, since it uses less digits than its factorization.

10668904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1333619 (or 1333615 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 10668904 is about 3266.3288260676. The cubic root of 10668904 is about 220.1438728335.

The spelling of 10668904 in words is "ten million, six hundred sixty-eight thousand, nine hundred four".