196728961800 has 192 divisors, whose sum is σ = 702305049600. Its totient is φ = 44623238400.

The previous prime is 196728961757. The next prime is 196728961867. The reversal of 196728961800 is 8169827691.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 371421 + ... + 728979.

It is an arithmetic number, because the mean of its divisors is an integer number (3657838800).

Almost surely, 2^196728961800 is an apocalyptic number.

196728961800 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 196728961800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (351152524800).

196728961800 is an abundant number, since it is smaller than the sum of its proper divisors (505576087800).

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

196728961800 is a wasteful number, since it uses less digits than its factorization.

196728961800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357716 (or 357707 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 57.

The spelling of 196728961800 in words is "one hundred ninety-six billion, seven hundred twenty-eight million, nine hundred sixty-one thousand, eight hundred".