10666854 has 48 divisors (see below), whose sum is σ = 26704080. Its totient is φ = 3041280.

The previous prime is 10666853. The next prime is 10666879. The reversal of 10666854 is 45866601.

It is a super-2 number, since 2×10666854² = 227563548514632, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10666853) 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 23 ways as a sum of consecutive naturals, for example, 1782 + ... + 4950.

It is an arithmetic number, because the mean of its divisors is an integer number (556335).

Almost surely, 2^10666854 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10666854, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13352040).

10666854 is an abundant number, since it is smaller than the sum of its proper divisors (16037226).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10666854 is a wasteful number, since it uses less digits than its factorization.

10666854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3205 (or 3202 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 10666854 is about 3266.0150030274. The cubic root of 10666854 is about 220.1297719209.

The spelling of 10666854 in words is "ten million, six hundred sixty-six thousand, eight hundred fifty-four".