10166646 has 64 divisors (see below), whose sum is σ = 25505280. Its totient is φ = 2634240.

The previous prime is 10166627. The next prime is 10166657. The reversal of 10166646 is 64666101.

10166646 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20461 + ... + 20951.

It is an arithmetic number, because the mean of its divisors is an integer number (398520).

Almost surely, 2^10166646 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10166646, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12752640).

10166646 is an abundant number, since it is smaller than the sum of its proper divisors (15338634).

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

10166646 is a wasteful number, since it uses less digits than its factorization.

10166646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549.

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

The square root of 10166646 is about 3188.5178374913. The cubic root of 10166646 is about 216.6336417778.

The spelling of 10166646 in words is "ten million, one hundred sixty-six thousand, six hundred forty-six".