10666138 has 32 divisors (see below), whose sum is σ = 19152000. Its totient is φ = 4359744.

The previous prime is 10666129. The next prime is 10666141. The reversal of 10666138 is 83166601.

It is a super-2 number, since 2×10666138² = 227532999670088, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30388 + ... + 30736.

It is an arithmetic number, because the mean of its divisors is an integer number (598500).

Almost surely, 2^10666138 is an apocalyptic number.

10666138 is a deficient number, since it is larger than the sum of its proper divisors (8485862).

10666138 is a wasteful number, since it uses less digits than its factorization.

10666138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 10666138 is about 3265.9053874845. The cubic root of 10666138 is about 220.1248464936.

The spelling of 10666138 in words is "ten million, six hundred sixty-six thousand, one hundred thirty-eight".