197966496000 has 2304 divisors, whose sum is σ = 905104392192. Its totient is φ = 37158912000.

The previous prime is 197966495999. The next prime is 197966496019. The reversal of 197966496000 is 694669791.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 4603871979 + ... + 4603872021.

It is an arithmetic number, because the mean of its divisors is an integer number (392840448).

Almost surely, 2^197966496000 is an apocalyptic number.

197966496000 is a gapful number since it is divisible by the number (10) 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 197966496000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (452552196096).

197966496000 is an abundant number, since it is smaller than the sum of its proper divisors (707137896192).

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

197966496000 is a wasteful number, since it uses less digits than its factorization.

197966496000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145 (or 121 counting only the distinct ones).

The product of its (nonzero) digits is 4408992, while the sum is 57.

The spelling of 197966496000 in words is "one hundred ninety-seven billion, nine hundred sixty-six million, four hundred ninety-six thousand".