4168656 has 30 divisors (see below), whose sum is σ = 11666850. Its totient is φ = 1389504.

The previous prime is 4168651. The next prime is 4168667. The reversal of 4168656 is 6568614.

It can be written as a sum of positive squares in only one way, i.e., 4161600 + 7056 = 2040^2 + 84^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 4168656.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4168651) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14331 + ... + 14618.

It is an arithmetic number, because the mean of its divisors is an integer number (388895).

Almost surely, 2^4168656 is an apocalyptic number.

It is an amenable number.

4168656 is an abundant number, since it is smaller than the sum of its proper divisors (7498194).

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

4168656 is a wasteful number, since it uses less digits than its factorization.

4168656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28963 (or 28954 counting only the distinct ones).

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

The square root of 4168656 is about 2041.7286793303. The cubic root of 4168656 is about 160.9405024293.

The spelling of 4168656 in words is "four million, one hundred sixty-eight thousand, six hundred fifty-six".