10668736866 has 64 divisors (see below), whose sum is σ = 22114124928. Its totient is φ = 3429623808.

The previous prime is 10668736853. The next prime is 10668736867. The reversal of 10668736866 is 66863786601.

It is a happy number.

It is a super-2 number, since 2×10668736866² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10668736867) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4841721 + ... + 4843923.

It is an arithmetic number, because the mean of its divisors is an integer number (345533202).

Almost surely, 2^10668736866 is an apocalyptic number.

10668736866 is an abundant number, since it is smaller than the sum of its proper divisors (11445388062).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10668736866 is a wasteful number, since it uses less digits than its factorization.

10668736866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2515.

The product of its (nonzero) digits is 10450944, while the sum is 57.

The spelling of 10668736866 in words is "ten billion, six hundred sixty-eight million, seven hundred thirty-six thousand, eight hundred sixty-six".