658068 has 48 divisors (see below), whose sum is σ = 1666560. Its totient is φ = 201600.

The previous prime is 658057. The next prime is 658069. The reversal of 658068 is 860856.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (658069) by changing a digit.

658068 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10758 + ... + 10818.

It is an arithmetic number, because the mean of its divisors is an integer number (34720).

2⁶⁵⁸⁰⁶⁸ 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 658068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (833280).

658068 is an abundant number, since it is smaller than the sum of its proper divisors (1008492).

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

658068 is a wasteful number, since it uses less digits than its factorization.

658068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128 (or 126 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 658068 is about 811.2139052063. The cubic root of 658068 is about 86.9808386920.

The spelling of 658068 in words is "six hundred fifty-eight thousand, sixty-eight".