10668220028 has 12 divisors (see below), whose sum is σ = 18751630632. Its totient is φ = 5310611280.

The previous prime is 10668220021. The next prime is 10668220067. The reversal of 10668220028 is 82002286601.

It is a super-2 number, since 2×10668220028² (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 10668220028.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10668220021) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 5873663 + ... + 5875478.

It is an arithmetic number, because the mean of its divisors is an integer number (1562635886).

Almost surely, 2^10668220028 is an apocalyptic number.

It is an amenable number.

10668220028 is a deficient number, since it is larger than the sum of its proper divisors (8083410604).

10668220028 is a wasteful number, since it uses less digits than its factorization.

10668220028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11749372 (or 11749370 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 35.

The spelling of 10668220028 in words is "ten billion, six hundred sixty-eight million, two hundred twenty thousand, twenty-eight".