4166550 has 72 divisors (see below), whose sum is σ = 11490336. Its totient is φ = 1081920.

The previous prime is 4166531. The next prime is 4166557. The reversal of 4166550 is 556614.

It is a happy number.

4166550 is a `hidden beast` number, since 4 + 1 + 6 + 655 + 0 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4166557) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 21052 + ... + 21248.

It is an arithmetic number, because the mean of its divisors is an integer number (159588).

Almost surely, 2^4166550 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4166550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5745168).

4166550 is an abundant number, since it is smaller than the sum of its proper divisors (7323786).

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

4166550 is a wasteful number, since it uses less digits than its factorization.

4166550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262 (or 254 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 4166550 is about 2041.2128747389. The cubic root of 4166550 is about 160.9133955479.

The spelling of 4166550 in words is "four million, one hundred sixty-six thousand, five hundred fifty".