10666617 has 8 divisors (see below), whose sum is σ = 15316224. Its totient is φ = 6564048.

The previous prime is 10666609. The next prime is 10666673. The reversal of 10666617 is 71666601.

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

It is not a de Polignac number, because 10666617 - 2³ = 10666609 is a prime.

It is a super-2 number, since 2×10666617² = 227553436449378, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10666417) 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 7 ways as a sum of consecutive naturals, for example, 136713 + ... + 136790.

It is an arithmetic number, because the mean of its divisors is an integer number (1914528).

Almost surely, 2^10666617 is an apocalyptic number.

It is an amenable number.

10666617 is a deficient number, since it is larger than the sum of its proper divisors (4649607).

10666617 is a wasteful number, since it uses less digits than its factorization.

10666617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273519.

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

The square root of 10666617 is about 3265.9787200776. The cubic root of 10666617 is about 220.1281416014.

The spelling of 10666617 in words is "ten million, six hundred sixty-six thousand, six hundred seventeen".