601668 has 36 divisors (see below), whose sum is σ = 1579760. Its totient is φ = 200232.

The previous prime is 601651. The next prime is 601669. The reversal of 601668 is 866106.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (601669) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 663 + ... + 1281.

2⁶⁰¹⁶⁶⁸ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 601668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (789880).

601668 is an abundant number, since it is smaller than the sum of its proper divisors (978092).

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

601668 is a wasteful number, since it uses less digits than its factorization.

601668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 638 (or 624 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 601668 is about 775.6726113509. The cubic root of 601668 is about 84.4213523090.

It can be divided in two parts, 6016 and 68, that added together give a square (6084 = 78²).

The spelling of 601668 in words is "six hundred one thousand, six hundred sixty-eight".