660058 has 8 divisors (see below), whose sum is σ = 1131552. Its totient is φ = 282876.

The previous prime is 660053. The next prime is 660061. The reversal of 660058 is 850066.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (660053) by changing a digit.

660058 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23560 + ... + 23587.

It is an arithmetic number, because the mean of its divisors is an integer number (141444).

2⁶⁶⁰⁰⁵⁸ is an apocalyptic number.

660058 is a deficient number, since it is larger than the sum of its proper divisors (471494).

660058 is a wasteful number, since it uses less digits than its factorization.

660058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47156.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 660058 is about 812.4395362118. The cubic root of 660058 is about 87.0684272516.

The spelling of 660058 in words is "six hundred sixty thousand, fifty-eight".