4051668 has 12 divisors (see below), whose sum is σ = 9453920. Its totient is φ = 1350552.

The previous prime is 4051667. The next prime is 4051709. The reversal of 4051668 is 8661504.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4051667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168808 + ... + 168831.

Almost surely, 2^4051668 is an apocalyptic number.

It is an amenable number.

4051668 is an abundant number, since it is smaller than the sum of its proper divisors (5402252).

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

4051668 is a wasteful number, since it uses less digits than its factorization.

4051668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337646 (or 337644 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 4051668 is about 2012.8755550207. The cubic root of 4051668 is about 159.4206652689.

The spelling of 4051668 in words is "four million, fifty-one thousand, six hundred sixty-eight".