10666761 has 24 divisors (see below), whose sum is σ = 16689600. Its totient is φ = 6041952.

The previous prime is 10666757. The next prime is 10666763. The reversal of 10666761 is 16766601.

It is not a de Polignac number, because 10666761 - 2² = 10666757 is a prime.

It is a super-2 number, since 2×10666761² = 227559580462242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10666763) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21660 + ... + 22146.

It is an arithmetic number, because the mean of its divisors is an integer number (695400).

Almost surely, 2^10666761 is an apocalyptic number.

It is an amenable number.

10666761 is a deficient number, since it is larger than the sum of its proper divisors (6022839).

10666761 is a wasteful number, since it uses less digits than its factorization.

10666761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653 (or 646 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 10666761 is about 3266.0007654622. Note that the first 3 decimals coincide. The cubic root of 10666761 is about 220.1291321782.

The spelling of 10666761 in words is "ten million, six hundred sixty-six thousand, seven hundred sixty-one".