10228691668 has 12 divisors (see below), whose sum is σ = 19277149780. Its totient is φ = 4720934592.

The previous prime is 10228691623. The next prime is 10228691677. The reversal of 10228691668 is 86619682201.

10228691668 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1058331024 + 9170360644 = 32532^2 + 95762^2 .

It is a super-2 number, since 2×10228691668² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98352753 + ... + 98352856.

Almost surely, 2^10228691668 is an apocalyptic number.

It is an amenable number.

10228691668 is a deficient number, since it is larger than the sum of its proper divisors (9048458112).

10228691668 is a wasteful number, since it uses less digits than its factorization.

10228691668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196705626 (or 196705624 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 49.

The spelling of 10228691668 in words is "ten billion, two hundred twenty-eight million, six hundred ninety-one thousand, six hundred sixty-eight".