10666694 has 4 divisors (see below), whose sum is σ = 16000044. Its totient is φ = 5333346.

The previous prime is 10666679. The next prime is 10666699. The reversal of 10666694 is 49666601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 49666601 = 4391 ⋅11311.

It is a super-2 number, since 2×10666694² = 227556721779272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10666699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2666672 + ... + 2666675.

It is an arithmetic number, because the mean of its divisors is an integer number (4000011).

Almost surely, 2^10666694 is an apocalyptic number.

10666694 is a deficient number, since it is larger than the sum of its proper divisors (5333350).

10666694 is an equidigital number, since it uses as much as digits as its factorization.

10666694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5333349.

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 10666694 is about 3265.9905082532. The cubic root of 10666694 is about 220.1286712859.

The spelling of 10666694 in words is "ten million, six hundred sixty-six thousand, six hundred ninety-four".