10668403 has 4 divisors (see below), whose sum is σ = 10698480. Its totient is φ = 10638328.

The previous prime is 10668379. The next prime is 10668407. The reversal of 10668403 is 30486601.

10668403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10668403 is a prime.

It is a super-2 number, since 2×10668403² = 227629645140818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10668407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14500 + ... + 15217.

It is an arithmetic number, because the mean of its divisors is an integer number (2674620).

Almost surely, 2^10668403 is an apocalyptic number.

10668403 is a deficient number, since it is larger than the sum of its proper divisors (30077).

10668403 is an equidigital number, since it uses as much as digits as its factorization.

10668403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30076.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 10668403 is about 3266.2521335623. The cubic root of 10668403 is about 220.1404268748.

It can be divided in two parts, 1066 and 8403, that multiplied together give a palindrome (8957598).

The spelling of 10668403 in words is "ten million, six hundred sixty-eight thousand, four hundred three".