10666239 has 8 divisors (see below), whose sum is σ = 14970240. Its totient is φ = 6736536.

The previous prime is 10666237. The next prime is 10666241. The reversal of 10666239 is 93266601.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (10666237) and next prime (10666241).

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

It is not a de Polignac number, because 10666239 - 2¹ = 10666237 is a prime.

It is a super-2 number, since 2×10666239² = 227537308810242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10666237) by changing a digit.

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, 93507 + ... + 93620.

It is an arithmetic number, because the mean of its divisors is an integer number (1871280).

Almost surely, 2^10666239 is an apocalyptic number.

10666239 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

10666239 is a deficient number, since it is larger than the sum of its proper divisors (4304001).

10666239 is a wasteful number, since it uses less digits than its factorization.

10666239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187149.

The product of its (nonzero) digits is 11664, while the sum is 33.

The square root of 10666239 is about 3265.9208502350. The cubic root of 10666239 is about 220.1255412949.

The spelling of 10666239 in words is "ten million, six hundred sixty-six thousand, two hundred thirty-nine".