10661305 has 8 divisors (see below), whose sum is σ = 13349952. Its totient is φ = 8158128.

The previous prime is 10661297. The next prime is 10661311. The reversal of 10661305 is 50316601.

10661305 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10661305 - 2³ = 10661297 is a prime.

It is a super-2 number, since 2×10661305² = 227326848606050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46239 + ... + 46468.

It is an arithmetic number, because the mean of its divisors is an integer number (1668744).

Almost surely, 2^10661305 is an apocalyptic number.

It is an amenable number.

10661305 is a deficient number, since it is larger than the sum of its proper divisors (2688647).

10661305 is an equidigital number, since it uses as much as digits as its factorization.

10661305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92735.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 10661305 is about 3265.1653863166. The cubic root of 10661305 is about 220.0915940921.

Adding to 10661305 its reverse (50316601), we get a palindrome (60977906).

The spelling of 10661305 in words is "ten million, six hundred sixty-one thousand, three hundred five".