660548196 has 360 divisors, whose sum is σ = 2271044160. Its totient is φ = 163658880.

The previous prime is 660548183. The next prime is 660548197. The reversal of 660548196 is 691845066.

It is not an unprimeable number, because it can be changed into a prime (660548197) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 7958371 + ... + 7958453.

It is an arithmetic number, because the mean of its divisors is an integer number (6308456).

Almost surely, 2^660548196 is an apocalyptic number.

660548196 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 660548196, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1135522080).

660548196 is an abundant number, since it is smaller than the sum of its proper divisors (1610495964).

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

660548196 is a wasteful number, since it uses less digits than its factorization.

660548196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157 (or 135 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 660548196 is about 25701.1321929599. The cubic root of 660548196 is about 870.8997587989.

The spelling of 660548196 in words is "six hundred sixty million, five hundred forty-eight thousand, one hundred ninety-six".