4166556 has 24 divisors (see below), whose sum is σ = 9819264. Its totient is φ = 1374960.

The previous prime is 4166531. The next prime is 4166557. The reversal of 4166556 is 6556614.

It is a super-2 number, since 2×4166556² = 34720377802272, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 450 + ... + 2921.

It is an arithmetic number, because the mean of its divisors is an integer number (409136).

Almost surely, 2^4166556 is an apocalyptic number.

It is an amenable number.

4166556 is an abundant number, since it is smaller than the sum of its proper divisors (5652708).

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

4166556 is a wasteful number, since it uses less digits than its factorization.

4166556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3481 (or 3479 counting only the distinct ones).

The product of its digits is 21600, while the sum is 33.

The square root of 4166556 is about 2041.2143444528. The cubic root of 4166556 is about 160.9134727884.

The spelling of 4166556 in words is "four million, one hundred sixty-six thousand, five hundred fifty-six".