660192 has 72 divisors (see below), whose sum is σ = 1950984. Its totient is φ = 194304.

The previous prime is 660181. The next prime is 660197. The reversal of 660192 is 291066.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (660197) by changing a digit.

660192 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 11 ways as a sum of consecutive naturals, for example, 28693 + ... + 28715.

It is an arithmetic number, because the mean of its divisors is an integer number (27097).

2⁶⁶⁰¹⁹² 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 660192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (975492).

660192 is an abundant number, since it is smaller than the sum of its proper divisors (1290792).

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

660192 is a wasteful number, since it uses less digits than its factorization.

660192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72 (or 41 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 660192 is about 812.5219997022. The cubic root of 660192 is about 87.0743188449.

The spelling of 660192 in words is "six hundred sixty thousand, one hundred ninety-two".