10666641 has 8 divisors (see below), whose sum is σ = 14840640. Its totient is φ = 6801872.

The previous prime is 10666609. The next prime is 10666673. The reversal of 10666641 is 14666601.

It is an interprime number because it is at equal distance from previous prime (10666609) and next prime (10666673).

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 10666641 - 2⁵ = 10666609 is a prime.

It is a super-2 number, since 2×10666641² = 227554460445762, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10666599 and 10666608.

It is not an unprimeable number, because it can be changed into a prime (10666141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77226 + ... + 77363.

It is an arithmetic number, because the mean of its divisors is an integer number (1855080).

Almost surely, 2^10666641 is an apocalyptic number.

It is an amenable number.

10666641 is a deficient number, since it is larger than the sum of its proper divisors (4173999).

10666641 is a wasteful number, since it uses less digits than its factorization.

10666641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154615.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 10666641 is about 3265.9823943187. The cubic root of 10666641 is about 220.1283066981.

The spelling of 10666641 in words is "ten million, six hundred sixty-six thousand, six hundred forty-one".