10668249 has 6 divisors (see below), whose sum is σ = 15409706. Its totient is φ = 7112160.

The previous prime is 10668223. The next prime is 10668263. The reversal of 10668249 is 94286601.

It can be written as a sum of positive squares in only one way, i.e., 10036224 + 632025 = 3168^2 + 795^2 .

It is not a de Polignac number, because 10668249 - 2¹⁹ = 10143961 is a prime.

It is a super-2 number, since 2×10668249² = 227623073452002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10668269) 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 in 5 ways as a sum of consecutive naturals, for example, 592672 + ... + 592689.

Almost surely, 2^10668249 is an apocalyptic number.

It is an amenable number.

10668249 is a deficient number, since it is larger than the sum of its proper divisors (4741457).

10668249 is a wasteful number, since it uses less digits than its factorization.

10668249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1185367 (or 1185364 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 10668249 is about 3266.2285590571. The cubic root of 10668249 is about 220.1393676163.

The spelling of 10668249 in words is "ten million, six hundred sixty-eight thousand, two hundred forty-nine".