660506196 has 96 divisors (see below), whose sum is σ = 1859880960. Its totient is φ = 178222464.

The previous prime is 660506179. The next prime is 660506201. The reversal of 660506196 is 691605066.

660506196 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 888601 + ... + 889343.

It is an arithmetic number, because the mean of its divisors is an integer number (19373760).

Almost surely, 2^660506196 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 660506196, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (929940480).

660506196 is an abundant number, since it is smaller than the sum of its proper divisors (1199374764).

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

660506196 is a wasteful number, since it uses less digits than its factorization.

660506196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1333 (or 1331 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 39.

The square root of 660506196 is about 25700.3150953446. The cubic root of 660506196 is about 870.8813001079.

The spelling of 660506196 in words is "six hundred sixty million, five hundred six thousand, one hundred ninety-six".