4161656 has 16 divisors (see below), whose sum is σ = 7824840. Its totient is φ = 2075040.

The previous prime is 4161653. The next prime is 4161667. The reversal of 4161656 is 6561614.

4161656 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an alternating number because its digits alternate between even and odd.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4161653) 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 3 ways as a sum of consecutive naturals, for example, 4895 + ... + 5681.

Almost surely, 2^4161656 is an apocalyptic number.

It is an amenable number.

4161656 is a deficient number, since it is larger than the sum of its proper divisors (3663184).

4161656 is a wasteful number, since it uses less digits than its factorization.

4161656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1454 (or 1450 counting only the distinct ones).

The product of its digits is 4320, while the sum is 29.

The square root of 4161656 is about 2040.0137254440. The cubic root of 4161656 is about 160.8503682876.

It can be divided in two parts, 4161 and 656, that multiplied together give a triangular number (2729616 = T₂₃₃₆).

The spelling of 4161656 in words is "four million, one hundred sixty-one thousand, six hundred fifty-six".